Knowledge base

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Practical guides, troubleshooting and clear explanations of Windows, Office, Autodesk, SketchUp and software licences. Written by specialists, factual and to the point.

Autodesk (19)Office (14)Windows (11)SketchUp & Enscape (7)Licences & software (9)

Seen from above: a half closed silver laptop and a white mouse on a dark brown wooden counter, with a white and black shell chair in front

Office11 min

Install Office with a product key: the whole route

One route from the key in your inbox to a working copy of Word: redeeming, the naming muddle, the 32 and 64-bit trap, and the account you cannot skip.

A laptop standing half open in a dark room, with orange, pink and blue neon light falling across the keyboard and the trackpad

Autodesk11 min

Open an IFC File: Link It, Open It, or Just View It

Opening an IFC and linking one are different jobs in Revit, and most people pick the wrong one. Here is the route for each program, and what an import leaves behind.

Close-up of a brass combination padlock lying on a white keyboard next to two gold bank cards

Licences & software11 min

Cancelling your Adobe subscription, and what it really costs

Stopping an Adobe plan is easy; what it costs is not. What each payment type charges you, when cancelling is free, and how long your files stay reachable afterwards.

Autodesk

Autodesk: guides & explanations

19 articles

Autodesk11 min

Open an IFC File: Link It, Open It, or Just View It

Opening an IFC and linking one are different jobs in Revit, and most people pick the wrong one. Here is the route for each program, and what an import leaves behind.

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Autodesk11 min

Assign an Autodesk licence to a user: the two steps

Being in your team is not the same as holding a seat. Here is the order of the two steps, the role you need to make them, and the assignment choice that quietly expires.

Close up of a printed construction drawing covered in dimension lines, with a wooden pencil and a white ruler lying across it

Autodesk11 min

Missing SHX files in AutoCAD: ignore it or fix it?

The Missing SHX Files dialog shows up on almost every drawing you receive. When ignoring is fine, when a linetype is to blame, and how to remove the reference for good.

An open HP laptop on a white desk with a grey felt mat, a green plant in a white pot beside it and a black wireless mouse

Autodesk11 min

Open a DWG without AutoCAD: pick your job first

Which free tool opens your DWG depends on what you plan to do with the drawing. Four cases, four answers, plus the file format table behind most failures.

Close up of the corner of a laptop keyboard in the dark, lit in orange, pink and purple, with the fn, control, option and command keys in view

Autodesk9 min

Setting up Revit worksharing: how does the central model work?

Set up Revit worksharing via the Collaborate button: create a central model, divide the project into worksets, and let each team member work in their own local model.

A historical blueprint in white lines on dark blue paper: the elevation and section of an ornate domed pavilion, captioned ELEVATION and SECTION

Autodesk9 min

How to Create a Revit Family: A Beginner's Guide

Learn step by step how to create a Revit family: choose a template, set up reference planes, add parameters, build geometry, and load it into your project.

Designer analysing an error message on the screen while working on a BIM model

Autodesk8 min

How to fix the Revit central model error: what does the message mean?

Fix the Revit central model error by creating a new local model or detaching: restore the link and synchronise with central again.

Mechanical engineer derives a 2D detail drawing from a 3D model in CAD software

Autodesk8 min

Inventor: Derive a 2D drawing from a 3D model

Derive an Inventor drawing from a 3D model using Base and Projected views: place views, sections and dimensions that update associatively.

A MacBook Pro on a dark desk against a grey wall dappled with leaf shadows, showing a code editor and a file tree on screen

Autodesk8 min

How to export DWG to PDF in AutoCAD?

Export a DWG to PDF in AutoCAD using EXPORTPDF, PLOT, or PUBLISH. Set the correct plot style, scale, and resolution to avoid blank or skewed pages.

A printed reinforcement drawing seen close up, with dimension arrows, a pencil and a clear ruler

Autodesk9 min

How to Create a Corridor in Civil 3D

Creating a corridor in Civil 3D requires an alignment, profile, and assembly. Follow this step-by-step plan for the dialogue box, targets, frequency, and surface.

New workstation with laptop and second screen showing Autodesk software being installed

Autodesk8 min

How to transfer an Autodesk licence to a new PC

How to transfer an Autodesk licence to a new PC: with a subscription you simply sign in, while with a perpetual licence you use the License Transfer Utility. Here's how.

Hands on a laptop keyboard, the screen showing a grid of website templates with thumbnails

Autodesk8 min

AutoCAD Xref Not Found: How to Fix the Path

AutoCAD Xref not found? Fix the broken path via the External References palette, choose the correct path type with REFPATHTYPE and prevent it with eTransmit.

Detail of a technical drawing with dimensions, a sharpened pencil resting on it and the edge of a ruler in shot

Autodesk8 min

How to use the TRIM command in AutoCAD

Learn to use the AutoCAD TRIM command: Quick versus Standard mode, choosing cutting edges, using Shift to extend, and the mistakes that cause trimming to fail.

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Autodesk9 min

Why is AutoCAD slow or freezing?

AutoCAD slow or freezing? With 9 targeted fixes you can solve it: cleaning, graphics performance, WHIPTHREAD, GPU driver, xrefs and Windows settings.

A white workspace with a laptop full of code, a second screen behind it, a coffee cup, a phone and a small plant

Autodesk8 min

How to Reduce AutoCAD File Size with PURGE – Step-by-Step Guide

Reduce your AutoCAD file size with PURGE: clean out unused layers and blocks, remove RegApps via -PURGE, use OVERKILL and AUDIT to keep your DWG fast.

Two screens side by side with CAD drawings comparing AutoCAD LT and full AutoCAD

Autodesk10 min

AutoCAD LT vs AutoCAD: what is the difference?

AutoCAD LT vs AutoCAD: LT is purely 2D, the full version adds 3D, AutoLISP and .NET, and seven toolsets. Compare features and price and choose with confidence.

Person working at a computer trying to activate software

Autodesk8 min

AutoCAD licence activation not working: what to do?

AutoCAD licence activation not working? Resolve sign-in errors, a blank sign-in window and licensing service problems with this step-by-step guide and error table.

A silver HP laptop on a white desk with an artificial plant in a white pot beside it and a black mouse on a grey felt mat

Autodesk8 min

How to Set the Annotation Scale in AutoCAD

Set the annotation scale in AutoCAD with CANNOSCALE and annotative styles. This keeps text and dimensions at paper size, regardless of the drawing scale.

A laptop with a code editor open on a dark desk, a stack of notebooks with a red bookmark and coloured pencils to the left

Autodesk9 min

3ds Max: Reduce Arnold Noise Without Long Render Times

Reduce Arnold noise in 3ds Max with adaptive sampling, the correct Camera AA, clamping, and a denoiser – for a clean image without long render times.

Office

Office: guides & explanations

14 articles

Office11 min

Install Office with a product key: the whole route

One route from the key in your inbox to a working copy of Word: redeeming, the naming muddle, the 32 and 64-bit trap, and the account you cannot skip.

A desk in front of a tall window looking out over blocks of flats, holding an iMac, an open laptop, an orchid in a white pot, a small framed poster and a bottle of water

Office10 min

Repair Microsoft Office: pick the right repair first

Quick Repair or Online Repair? The choice decides whether you lose five minutes or most of a lunch break, and there are faults neither one will ever fix.

White trestle desk in a light room, carrying a single all in one computer, a black desk mat, a table lamp and a potted plant, with a grey leather chair beside it

Office12 min

Transfer Outlook to a new PC: mail, settings and contacts

Most people never need to export a .pst at all. What you have to do depends on your account type, and on the signatures, rules and settings that travel with nothing.

Tidy white room with a wooden tabletop on trestles, a monitor and a laptop showing the same desert image, a separate keyboard and a black rucksack on the floor

Office11 min

Transfer Office to a new PC: the four routes

When transferring Office, your licence type determines everything. Subscription, retail, OEM or work licence: each type has its own route, and for one of them it simply cannot be done.

A laptop on a low table in front of a grey sofa, a blue tinted report with bar charts and a doughnut chart on screen

Office8 min

How to Create an Automatic Table of Contents in Word

Creating a Word table of contents: use heading styles and the References tab. Step-by-step guide for insertion, updating with F9 and fixing common errors.

An open laptop in a dark room, a purple and orange abstract wallpaper on the screen and the keyboard backlit

Office10 min

VLOOKUP vs XLOOKUP: which should you use?

VLOOKUP vs XLOOKUP compared: search direction, syntax, error handling and availability by Excel version, so you know straight away which function to choose.

A laptop on a white desk against a pale blue wall, a photo editor with a dramatic cloud picture on screen, and beside it headphones, a snake plant, a phone and a smart speaker

Office8 min

Embedding fonts in PowerPoint so they look right everywhere

Embed fonts in PowerPoint via File > Options > Save to keep your typography consistent. Steps for Windows and Mac plus troubleshooting and alternatives.

A desk in front of a tall window looking out on apartment blocks, with an iMac seen from behind, an orchid in a white pot, a laptop, a small framed poster and a bottle of water

Office8 min

Outlook search not working: how to repair the search function?

Outlook search not working? Check indexing status, restart Windows Search, and rebuild the search index. Steps for classic and new Outlook.

A laptop displaying an orange and blue desktop wallpaper with program icons down the left, a plant and a mouse alongside

Office9 min

Outlook not connecting to server: solutions and fixes

Outlook not connecting? Turn off Work Offline, check connection status, repair the account and rebuild the OST file.

A home office with a wooden desk on black legs, an iMac and a second monitor showing landscape photographs, a leather bag on a numbered crate, a round leather stool and a shelving unit full of books and boxes on the left

Office8 min

Office activation fails with error 0xC004F074: solution

Office error 0xC004F074 means no KMS server is reachable. Fix it with time sync, DNS flush, and ospp.vbs commands. Complete step-by-step guide.

Desk with laptop, tablet and phone showing the same Office apps

Office11 min

Microsoft 365 vs Office 2021: which should you choose?

Microsoft 365 vs Office 2021: the difference comes down to subscription versus one-off purchase, updates, devices and storage. Compare the options and choose what fits.

A white desk against a white wall with a large iMac, its screen dark, a white desk lamp on the left, a succulent in a red tea tin and a white cup with gold dots on the right

Office8 min

Excel #REF! error: fix and prevent it

The Excel #REF! error occurs when a formula references a deleted cell or column. Fix it with Ctrl+Z, find all errors with Ctrl+H, and prevent breakage using tables and named ranges.

A laptop showing a weather widget for Paris, standing on a white table in front of a large window

Office8 min

Excel #SPILL! error: how to fix it

Fix the Excel #SPILL! error: locate the blocking cell, clear merged cells and tables, and keep space free so your dynamic array spills correctly.

Photographed from above: a half closed silver MacBook and a white mouse on a dark brown wooden top, with a white shell chair in front

Office9 min

How to Create a Pivot Table in Excel

Creating an Excel pivot table in five steps: prepare your data, insert via Insert, drag fields into the four zones, select the calculation, and refresh after changes.

Windows

Windows: guides & explanations

11 articles

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Windows11 min

Reinstall Windows and keep your licence intact

A digital licence lives on Microsoft's servers, not on your disk, so there is nothing to back up. The real question is which route keeps your files and programs.

A room bathed in purple and pink neon with a wooden world map on the wall, a red HELLO neon sign, a neon camera outline, framed posters, a gaming chair and a desk with a monitor and a PC tower with a lit front

Windows8 min

Fix Windows Update error 0x80070643

Fix Windows Update error 0x80070643? See which update fails and fix it specifically: enlarge the recovery partition for KB5034441, reset components, SFC and DISM.

A keyboard and notepad on which someone is copying a product key

Windows8 min

How to find your Windows product key: where is your key stored?

Find your Windows product key with a command, the sticker or your digital licence. Three methods with the exact PowerShell and cmd commands.

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Windows8 min

Restoring your Windows licence after a hardware change

Restore your Windows licence after a hardware change: link your Microsoft account, use the activation troubleshooter and slmgr, and fix error 0xC004C008.

A round marble table seen from above with a laptop with a grey fabric keyboard showing a magazine layout, a mug and saucer, a stack of books with glasses on top and a notepad with a pencil

Windows8 min

Linking Your Windows Digital Licence to Your Microsoft Account

Linking your Windows digital licence to your Microsoft account via Settings lets you reactivate Windows after a hardware change without a product key.

Person typing commands in a Command Prompt on a laptop

Windows8 min

Activate Windows with slmgr: which commands do you use?

Activate Windows with slmgr using commands such as /ipk, /ato, /dli and /xpr. See the complete overview with steps, KMS activation and error codes.

Windows8 min

Fix Windows activation error 0xC004C003

Windows activation error 0xC004C003 points to a blocked product key. Discover the causes and fix the error using the troubleshooter or a new licence key.

Computer motherboard with security chip in view

Windows8 min

Check and enable TPM 2.0 in Windows 11

Check Windows 11 TPM 2.0 using tpm.msc, Get-Tpm or Windows Security and enable the module in the UEFI via Intel PTT or AMD fTPM. Follow the step-by-step guide.

Windows8 min

Enable Windows 11 Secure Boot in UEFI

Enable Windows 11 Secure Boot: check status with msinfo32, convert disk to GPT using mbr2gpt, and turn on Secure Boot in UEFI firmware.

A half open laptop in a dark room, a vivid abstract wallpaper in blue, pink and orange lighting up the keyboard and the table

Windows8 min

How to install Windows 11 with a local account

Setting up a Windows 11 local account without a Microsoft account? Three working methods in 2026, plus why oobe\bypassnro is blocked and how to bypass it.

Windows8 min

Upgrading Windows 11 Home to Pro: how does it work?

Upgrade Windows 11 Home to Pro via Settings or the Microsoft Store, keeping your files. Follow the step-by-step plan with product key and checks.

SketchUp & Enscape

SketchUp & Enscape: guides & explanations

7 articles

A historic blueprint in white lines on dark blue paper, showing the elevation, section and plan of a domed exhibition pavilion

SketchUp & Enscape11 min

Import SketchUp into Revit: materials, families, Revit LT

The import takes three clicks. Getting materials, categories and sections to behave afterwards is the real work, and Revit LT can do more of it than people think.

An open silver grey Dell laptop on a plain white background, its screen showing the Windows desktop

SketchUp & Enscape11 min

Export SketchUp to DWG: 2D drawing or 3D model?

Two very different exports hide under one menu. Here is how to pick the right one, keep your tags as layers, and deal with an export that looks frozen.

SketchUp & Enscape8 min

Activate and manage your SketchUp licence

Activate and manage your SketchUp licence: sign in with your Trimble ID, use up to 2 devices, and assign seats in the Admin Console. Step-by-step guide.

SketchUp & Enscape8 min

SketchUp Components vs Groups: When to Use Which

SketchUp components vs groups: components share a definition and update together, groups are independent. Read when to choose each and how to keep your file small.

SketchUp & Enscape9 min

Enscape not working in SketchUp after an update: solutions

Enscape not working in SketchUp after an update? Check version compatibility, extension status, GPU driver and perform a clean reinstall to get the toolbar back quickly.

A laptop with a dark code editor and a mountain wallpaper, standing on a white desk by the window

SketchUp & Enscape9 min

Realistic Enscape rendering in SketchUp: 8 settings

Realistic Enscape rendering in SketchUp: 8 specific settings for lighting, HDRI, PBR materials, and camera that instantly make your images more believable.

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SketchUp & Enscape8 min

Import DWG into SketchUp without issues

Import DWG into SketchUp: choose the correct unit and import options via File > Import. Avoid scaling errors, missing lines and slow models.

Licences & software

Licences & software: guides & explanations

9 articles

Licences & software11 min

Cancelling your Adobe subscription, and what it really costs

Stopping an Adobe plan is easy; what it costs is not. What each payment type charges you, when cancelling is free, and how long your files stay reachable afterwards.

Screen showing the activation window of an operating system during product key entry.

Licences & software8 min

What is software activation and how does it work?

Software activation links your product key to a device or account. This guide explains how it works, how to check the status and common error codes.

Laptop showing an expired software licence message on screen

Licences & software9 min

What happens when your software licence expires?

Licence expired? See what happens for each program: Office in reduced functionality mode, Windows with a watermark, Autodesk blocked, plus how to keep your files.

Licences & software10 min

Why are software makers switching to subscriptions?

Why software subscription? The reasons behind the shift: predictable revenue, continuous updates, less piracy, lower entry cost, and what it means for you.

Shot over the shoulder: someone in a white shirt wearing a watch typing on a MacBook, the screen showing a marketplace full of template previews

Licences & software12 min

Perpetual vs subscription: which software licence is better value?

Perpetual vs subscription compared: calculate the break-even point, see what you pay per programme and choose the most cost-effective software licence for your use.

Laptop showing a Windows activation screen where a licence is being checked

Licences & software9 min

OEM, retail and volume licensing: what's the difference?

OEM, retail and volume licensing compared: see whether the licence can be transferred, who provides support and how to check which type you have with slmgr.

Laptop shows an email with a product key and download link for a software licence.

Licences & software8 min

How does digital delivery of a software licence work?

Digital delivery of a licence means a product key and download link by email or in your account, without a box. Here is how ESD works and how to activate safely.

An open MacBook showing a code editor on a white desk, with a large monitor behind it, a white cup and a pair of headphones

Licences & software9 min

Cloud licence vs local installation: which is right for you?

Cloud vs local: a cloud licence runs on the provider’s servers, while a local installation runs on your own device. Compare costs, data, offline use, and management.

An open brass ABUS padlock lying among loose keyboard keycaps under red and green light

Licences & software10 min

Affinity and the end of the perpetual licence

Affinity subscription or free? What changed in 2025: end of the perpetual licence, a free app requiring a Canva account, and what happens to your licence.