On the Mailings tab, in the Create group, click Envelopes. Click Options, and then click the Envelope Options tab. In the Envelope size box, click the choice that matches the size of your envelope. If none of the choices matches your envelope size, scroll to the bottom of the list, click Custom size, and then type the dimensions of your ...

Select Start > Settings > Apps > Apps & features. Apps & features in Settings. Select the More icon next to the app you want to fix. Select the Advanced options link under the name of the app (some apps don't have this option). On the page that opens, select Repair if it's available. If it isn't available or doesn't fix the problem, select Reset.

Use PowerPoint in a web browser. If you have a Microsoft account (hotmail.com, outlook.com, live.com, msn.com) or a Microsoft 365 work or school account, you can view and edit a presentation for free in a web browser. Save the file to OneDrive or Dropbox and use PowerPoint for the web to open it. If you don't already have a Microsoft account ...

了解如何使用 Android、iOS 或 Windows 设备在 Xbox 上玩云游戏。更多游戏方式 现在，你可以在智能电视上使用 Xbox 应用玩 Xbox 游戏。 无需主机！

Upgrade to Windows 11: FAQ. An upgrade differs from an update in that it moves your PC from a previous version of Windows—such as Windows 10—to Windows 11. This FAQ is intended to answer questions about upgrading to Windows 11. An update ensures you have the most recent features and security improvements for your current version of Windows.

To check for any security issues, go to Windows Defender settings, select Show details, and check your security status.

Cette option télécharge la nouvelle application et change votre client de messagerie préféré. Le nouvel Outlook pour Windows sera lancé dans le premier compte de votre liste dans Windows Mail. Si Outlook ne peut pas vous connecter automatiquement, tapez manuellement le compte et connectez-vous. Sélectionnez Importer les paramètres dans ...

Select the product you need help with. We'll show you self-help options first. Additional help is available if you need it, including live chat with a Microsoft specialist. Microsoft 365. Office. Windows. Xbox. Surface devices. Copilot.

可以使用“设置”应用配置和管理 Windows Hello。. 在 Windows 设备上的“设置”应用中 ，选择“ 帐户 ”> “登录选项 ”或使用以下快捷方式：. 登录选项. 在 “登录方式” 下，有三种使用 Windows Hello 登录的选项：. 选择“人脸识别 (Windows Hello) ”，使用电脑的红外 ...

To check for updates, select Start > Settings > Windows Update , then select Check for updates. If updates are available, you can choose to install them. Check for updates. If you run into problems updating your device, including problems with previous major updates, see common fixes at Troubleshoot problems updating Windows.