使用 Windows 设置应用更改桌面背景和颜色。

The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs.

Important: You don't need to remove old security information unless there is an account security risk (e.g. someone else has access to your old mailbox).

Note: If you don’t want to start your Surface from your USB drive, make sure the drive isn't inserted in the USB port on your Surface when you start it.

Chat lets you connect with others, stay up to date on projects, and express yourself, whether you're in the office, at home, or on the go with the Microsoft Teams app. In Teams, you'll see three types of chats: One-on-one chats: to connect with people individually.

Manage your Xbox subscription Game Pass Ultimate or a supported free to play game is required for cloud gaming. See what else you can do to get the most out of your subscription.

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Learn how to remove malware from your PC. Use Microsoft Defender Antivirus in Windows 10 or Windows 11 to scan your PC for malware, viruses, or other threats.

See Share SharePoint files or folders in Microsoft 365 or Video: Share documents in SharePoint Server.. Share sites. If you have site owner permissions, select >Site permissions, select Add members, and then select Add members to group or Share site only.Fore more information, see Share a site.. Create a team site. If you're using Microsoft 365, you can create a site from the SharePoint start ...

If you don’t want to use the proxy server when you visit certain websites, enter the ending of the website address in the exception list (for example, *.contoso.com). For multiple websites, type each website address and separate the addresses with a semicolon (for example: *.contoso.com; *.adatum.com).The * is a wildcard so any website addresses that end with the website address listed will ...