Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows 8.1, Windows 8, Windows 7 or Windows Vista.

Learn how to change or reset your Windows password if you've forgotten or lost it.

Use System restore to make restore points when you install a new app, driver, or Windows update, and when you create a restore point manually. Restoring won’t affect your personal files, but it will remove apps, drivers, and updates installed after the restore point was made. To go back to a restore point:

Use Microsoft Teams (work or school) for a Microsoft work or school account or a guest account in Windows 11. Also, find out which version of Teams you’re using.

Wenn Sie Ihre Hardware geändert haben, um ein Upgrade auf Windows 11 durchzuführen und das System die Änderung nicht rechtzeitig erkennt, wird in diesem Artikel erläutert, wie Sie die Bewertung manuell initiieren.

Learn how to update Windows to ensure your device operates smoothly and securely with the latest features.

Learn how to find your Windows product key for activation or when to use a digital license instead.

Things to try to fix touchpad problems in Windows 10 and 11. If your touchpad isn’t working, it may be a result of a missing or out-of-date driver.

Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.

Windows 設定アプリを使用して、デスクトップの背景と色を変更します。