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Guides

Step-by-step tutorials for downloading, installing and activating Windows, Office, Windows Server and your antivirus software.

Windows 11 Famille ou Professionnel : quelles différences ?

Windows

Windows 11 Home or Professional: what are the differences?

Comparison of Windows 11 Home and Professional: BitLocker, Remote Desktop, Hyper-V, Sandbox, domain. And how to switch editions without reinstalling.

Comment connaître sa version de Windows et d'Office

Office & Microsoft 365

How to find out your version of Windows and Office

Identify your Windows and Office version in 30 seconds: edition, build number, 32 or 64 bits. Graphical and command-line methods.

Office 2024 : télécharger, installer et activer (guide complet)

Office & Microsoft 365

Office 2024: Download, install and activate (complete guide)

Complete guide to installing and activating Office 2024: Family, Home & Business and Professional Plus editions, Microsoft deployment tool and troubleshooting.

Windows 11 n'est pas activé : causes et solutions

Windows

Windows 11 is not activated: causes and solutions

«Activate Windows» watermark, rejected key, error 0x803F7001 or 0xC004F050: diagnosis and concrete solutions to activate Windows 11.

Office 2024 ou Microsoft 365 : lequel choisir en 2026 ?

Office & Microsoft 365

Office 2024 or Microsoft 365: which one to choose in 2026?

One-time purchase or subscription? Complete comparison of Office 2024 vs Microsoft 365: applications, support, devices, cloud and real cost over five years.

Windows 10 est hors support : ESU, Windows 11 ou rien ?

Windows

Windows 10 is out of support: ESU, Windows 11 or nothing?

Windows 10 is no longer supported as of October 2025. How to register for ESU, upgrade to Windows 11, or manage an incompatible PC. Clear and up-to-date guide.

Office 2021 : fin de support le 13 octobre 2026, que faire ?

Office & Microsoft 365

Office 2021: End of support on October 13, 2026, what to do?

Support for Office 2021 ends on October 13, 2026. What changes, the concrete risks, and the three options for migrating without losing your documents.

Désinstaller complètement Microsoft Office : la méthode 2026

Office & Microsoft 365

Completely uninstall Microsoft Office: the 2026 method

Completely removing Microsoft Office from a PC: Control Panel, Microsoft SaRA Assistant, and SaRAcmd command line. Official procedure and special cases.