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Computer and high-tech tutorials

Practical guides to repair, choose, secure and get the most from your devices.

MacOS 20 November 2025

Where to download an ISO image of macOS (Sequoia, Ventura, Sonoma)

Download macOS ISO images (Sequoia, Sonoma, Ventura...) to install the system on a virtual machine, a USB key or an old Mac.

Windows 6 August 2026

Generic product keys for upgrading to Windows 11: the complete list

Windows restricts access to certain features (such as upgrading from the Home edition to the Pro edition) by means of a paywall and system restrictions. To bypass this restriction without reinstalling your entire system, Microsoft offers generic product keys. These codes do not permanently activate Windows. They simply force the installer to accept the upgrade. … Continued

Hardware 1 August 2026

How can you find out the screen size of your laptop in inches?

Find out how to measure the diagonal of your screen, convert centimetres to inches and avoid getting the size wrong before you buy.

Cybersecurity 1 August 2026

How can you protect your screen from prying eyes whilst travelling?

Find out how to stop your neighbours from reading your passwords, messages and documents displayed on your PC.

Buying Guide 1 August 2026

The best privacy filters for laptops in 2026

Protect your data from prying eyes! Check out our comparison of the best privacy filters for laptops.

Windows 10 June 2026

AppLocker in Windows 11: preventing users from running unauthorised software

Your users are getting round installation restrictions using portable applications. UAC doesn’t block them. A portable application doesn’t install; it simply runs. AppLocker addresses this by checking not what the programme requests, but where it is running from and who signed it. Why the UAC alone is not enough User Account Control (UAC) blocks actions … Continued

Rediscover from the archives

Older tutorials, still consulted and useful when you run into the right problem.

Buying Guide 17 September 2024

Ethernet or Wi-Fi network card for computer? Buying guide

Are you hesitating between different models for adding Internet to your computer? Improve your purchase with our practical guide.

Hardware 11 March 2025

Broken computer charger: is it possible to repair it?

Computer charger problem? Learn how to detect the source of the problem and choose the best solution between repair and replacement.

Windows 17 February 2025

Practical guide: Installing and using AnyDesk on Windows

Find out how to install AnyDesk to set up remote access and exploit all its advanced options for remote control.

Windows 24 June 2024

Ventoy – Create a bootable USB drive with multiple OS

Discover Ventoy for a hassle-free experience in creating bootable USB flash drives. Choose from a range of OSes and get them up and running fast!

Linux 13 December 2024

Wubuntu : A Linux distribution that mimics Windows 11

Wubuntu: a Linux that imitates Windows 11 with style. Discover a hybrid system with a familiar interface and open source power.

Cybersecurity 17 February 2025

Is your computer’s webcam secure?

Don't take any risks. Follow our recommendations for securing your camera, detecting intruders and guaranteeing your online privacy.

Windows 17 February 2025

How do I take a screenshot in Windows 11/10?

Find out how to take screenshots in Windows 11 and 10. Keyboard shortcuts, built-in tools, practical tips: master every technique.

Windows 7 March 2025

How do I disable geolocation on Windows?

Find out how to disable geolocation on Windows to protect your privacy. Follow our guide to block access to your location for the whole system or just for certain applications.

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Latest posts

Windows 26 May 2026

The best Windows privacy cleaners and tools in 2026

Free up disk space and boost your online privacy! We've tested the best PC cleaners and protection tools for Windows.

Cybersecurity 26 May 2026

I tested Privazer, the software that erases all traces of your private life

Discover Privazer, the tool that goes way beyond simple cleaning to permanently erase all traces of your private life. I've tested it for you.

Windows 28 January 2026

How to install software without administrator rights in Windows 11

Unable to install software on your Windows 11 business PC? Learn how to bypass the limitations imposed by the administrator while respecting security rules.

Artificial intelligence 20 November 2025

Using ChatGPT-OSS locally with OpenAI’s open-weight templates

Find out how to use ChatGPT-OSS locally with OpenAI's open-weight templates. Installation, Windows configuration, Ollama and hardware performance.

Artificial intelligence 20 November 2025

The best local AI software and alternatives to ChatGPT for Windows

Discover the best local artificial intelligence software for Windows and turn your computer into an intelligent assistant, fast and without an Internet connection.

Windows 19 November 2025

Installing Windows 11 without a Microsoft account in 2026: methods that still work

Find out how to install Windows 11 without a Microsoft account and bypass the login requirement. A practical guide to unrestricted local installation.

Hardware 19 November 2025

How can you find out the maximum RAM capacity supported by your PC?

Discover how to use PowerShell to find out the capacity, speed and type of your RAM memory, and easily find a compatible strip for your system.

Windows 16 November 2025

Install and activate gpedit.msc Group Policy on Windows 11 Home

Find out how to activate gpedit.msc on a Windows Home edition, unlock features and customize your system.

Windows 15 November 2025

Installing and activating Hyper-V on Windows 11 Home with PowerShell

Find out how to activate Hyper-V on Windows 11/10 Home with PowerShell. Follow our guide to using virtualization without upgrading to Windows Pro.

Hardware 15 November 2025

What’s the difference between Type 1 and Type 2 hypervisors?

Everything you need to know about hypervisors: definition, comparison between type 1 bare metal and type 2 hosted, examples and advice on making the right choice.