Sign in with Microsoft
Sign in or create an account.
Hello,
Select a different account.
You have multiple accounts
Choose the account you want to sign in with.
Solve PC problems remotely with Remote Assistance and Easy Connect
Before you can use it, you'll need to enable access. In the search box on the taskbar, type remote assistance , and then select Allow Remote Assistance invitations to be sent from this computer from the list of results. Then, on the Remote tab, select the Allow Remote Assistance connections to this computer check box, and then select OK.
Change your screen saver settings - Microsoft Support
Change your screen saver settings. Windows 10. Select the Start button, then go to Settings > Personalization > Lock screen, and select Screen saver settings. In the Screen Saver Settings window, choose a screen saver from the drop-down list. Change your screen saver settings.
为升级 Windows 11 准备就绪 - Microsoft 支持
安装 Windows 11. 在针对你的特定电脑测试和验证 Windows 11 升级后,Windows 更新将指示它已准备好安装。 若要检查 Windows 11 是否已为你的设备准备就绪,请转到“开始” “设置” >“更新和安全性” >“Windows 更新” ,然后选择“检查更新”。 如果升级适用于你的设备,并且想要继续,请下载并安装它。
Dir 函数 - Microsoft 支持
在 Microsoft Windows 中, Dir 支持使用多字符 ( *) 和单字符 ( ?. ) 通配符来指定多个文件。. 在 Macintosh 上,这些字符被视为有效的文件名字符,不能用作指定多个文件的通配符。. 由于 Macintosh 不支持通配符,请使用文件类型来标识文件组。. 可以使用 MacID 函数指定 ...
Applies To: Access for Microsoft 365, Access 2021, Access 2019, Access 2016
如何安装最新版本的 DirectX - Microsoft 支持
DirectX 9.0c 通过安装 DirectX 9.0c 最终用户运行时适用于 Windows XP 和 Windows Server 2003。. 某些应用程序和游戏需要 DirectX 9。 但是,你的计算机包含更新版本的 DirectX。 如果安装并运行需要 DirectX 9 的应用程序或游戏,你可能会收到错误消息“无法启动此程序,因为计算机中丢失 d3dx9_35.dll。
Microsoft 365 help & learning
Get Microsoft 365 support, help, and learning resources. Organize your life, expand your creativity, and protect what’s important with Microsoft 365.
Applies To: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Office 2016, Microsoft 365 for home, Microsoft 365 for Mac, Microsoft 365 for Windows
Turn off Defender antivirus protection in Windows Security
Select Start and type "Windows Security" to search for that app. Select the Windows Security app from the search results, go to Virus & threat protection, and under Virus & threat protection settings select Manage settings. Switch Real-time protection to Off. Note that scheduled scans will continue to run. However, files that are downloaded or ...
Install, manage, or uninstall apps in Microsoft Edge
Uninstall an app in Microsoft Edge. Open Microsoft Edge and go to edge://apps. Select Details on the card of the application you wish to uninstall. Scroll down and choose Uninstall. Confirm if you also want to clear data from the associated origin and select Remove.
Applies To: Microsoft Edge
Fix problems that block programs from being installed or removed ...
The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs. It also fixes corrupted registry keys. First, you'll need to download the troubleshooter. Download troubleshooter. If you see the File Download box when you start downloading, select Run or Open.
Download and install or reinstall Microsoft 365 or Office 2021 on a PC ...
Select Install (or depending on your version, Install apps> ). From the home page select Install apps (If you set a different start page, go to aka.ms/office-install .) For Microsoft 365 operated by 21 Vianet go to login.partner.microsoftonline.cn/account. For Microsoft 365 Germany go to portal.office.de/account.
Applies To: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Admin, Microsoft 365 for Mac, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin