Learn how to change the email address or phone number that’s associated with your Microsoft account.

Find out how to manage your Xbox subscriptions to request a refund or cancel a recurring payment.

If either of the categories above apply to you, use the following procedures to update your browser: Update once. In the browser, go to Settings and more > Help and feedback > About Microsoft Edge (edge://settings/help).. If the About page shows Microsoft Edge is up to date., you don't need to do anything.

Apprenez à activer Windows à l'aide d'une clé de produit ou d'une licence numérique, à vérifier l'état de votre activation et à lier votre compte Microsoft.

When you’re connected to the internet and using a proxy server while browsing the web, that traffic goes through the proxy server instead of coming directly from your Windows 11 PC.

Probeer deze oplossingen als u zich niet kunt aanmelden bij uw Outlook.com-, Hotmail-, Live- of MSN-e-mailaccount of als u niet goed weet hoe u zich moet aan- of afmelden.

Explore OneDrive support, help, and learning resources. Learn how to protect your important files, documents, and memories with OneDrive.

Learn how to troubleshoot Windows Media Player errors. Explore resources for general help with Windows Media Player.

检查你的版本. DirectX 是许多 Windows 游戏都需要的一种多媒体技术套件。 如果你的电脑未安装正确版本的 DirectX（产品包装盒上应标有所需的版本），游戏可能无法正常运行。

Sync the files in your Microsoft 365 or Microsoft SharePoint site libraries so they’re always available on your computer, even when you’re offline.