Découvrez comment copier facilement vos fichiers et paramètres sur un nouveau PC Windows.

Learn how to find old files after upgrading Windows on a device, including search and recovery tips.

Si vous avez besoin de libérer de l’espace disque plus tôt et que vous êtes certain que vos fichiers et paramètres sont corrects, vous pouvez supprimer en toute sécurité l’installation précédente de Windows vous-même.

Describes how to use the clean boot process to troubleshoot a problem in Windows

Transfer your files and settings to a new Windows PC. Are you planning to upgrade to a new PC? This guide will walk you through a functionality that automatically copies your files, settings, and preferences from your previous PC to your new one.

To prevent data loss, Microsoft highly recommends backing up files and settings before upgrading, resetting, refreshing, or reinstalling Windows. Files can be backed up to locations such as OneDrive or to an external USB flash drive.

Learn how to free up space for Windows update including deleting nonessential files, using an external hard drive, and updating your hard drive.

These steps show you how to migrate your files, emails, contacts, and calendar items from your school sponsored Microsoft 365 Apps for enterprise account to your new Microsoft 365 Personal account for Windows 10.

Learn how to create installation media for installing or reinstalling Windows.

After the 10-day period, files and data need to be manually backed up, for example to OneDrive, and then a "clean install" performed to move back to Windows 10. For more information, see Create installation media for Windows.