使用 Windows 设置应用更改桌面背景和颜色。 在 “个性化设置背景”旁边的列表中，选择“图片”、“ 纯色”、“ 幻灯片放映”或“ Windows 聚焦 (”，) 查看来自世界各地的新图像。

另请参阅 如果找不到 Microsoft Store，请参阅 在 Windows 10 中查找 Microsoft Store 时遇到问题的疑难解答。 如果在启动 Microsoft Store 时遇到问题，请参阅 Microsoft Store 无法启动。 如果可以启动 Microsoft Store，但只是在查找或安装应用时遇到问题，请参阅 我无法从 Microsoft Store 找到或安装应用。

Remarques : Votre mot de passe Hotmail ou Outlook.com est le même que celui de votre compte Microsoft. Si vous pouvez vous connecter mais que vous rencontrez des problèmes avec Outlook.com, vérifiez l’état du service.Si l’état n’est pas vert, patientez jusqu’à ce que le service fonctionne normalement et essayez de vous reconnecter.

To get support in Outlook.com, click here or select Help on the menu bar and enter your query. If the self-help doesn't solve your problem, scroll down to Still need help? and select Yes.. To contact us in Outlook.com, you'll need to sign in.

无法安装 Office？ 使用脱机安装程序 如需重新安装 Microsoft 365，请参阅 在电脑上安装或重新安装 Office。 Microsoft 365脱机安装程序可帮助绕过潜在的代理、防火墙、防病毒软件，或 Microsoft 365 安装期间可能发生的 Internet 连接问题。

If you’re having sound or audio problems, the following suggestions might help. The tips are listed in order, so start with the first one, see if that helps, and then continue to the next one if it doesn’t.

OneDrive is built in to some versions of Windows and can't be uninstalled. But you can hide it and stop the sync process, so it stays hidden. To do this, turn off all the OneDrive settings and remove the OneDrive folder from File Explorer.

To get support in Outlook.com, click here or select Help on the menu bar and enter your query. If the self-help doesn't solve your problem, scroll down to Still need help? and select Yes.. To contact us in Outlook.com, you'll need to sign in.

If you are planning to use Teams free or if you were a guest in an org, you can connect and collaborate by downloading and installing another version of Microsoft Teams (work or school) and signing in with your Microsoft account or the guest account where the invite was sent to.

As you're getting your Microsoft 365 business subscription set up, you'll want to download and install your Microsoft 365 apps, like Word, Excel, Microsoft Teams, and PowerPoint, on your PC or Mac.