培训：使用 Microsoft 个人、工作或学校帐户登录 Office.com。 观看本视频了解操作方式。 按“提交”即表示你的反馈将用于改进 Microsoft 产品和服务。 你的 IT 管理员将能够收集此数据。

若要使用 DirectX 诊断工具 检查你电脑上使用的是哪个版本的 DirectX，请选择 “开始” 按钮，在搜索框中键入 “dxdiag” ，然后按 Enter 。. 在 DirectX 诊断工具 中，选择 “系统” 标签页，然后在 “系统信息” 下面检查 DirectX 版本号。. 你首次使用 DirectX 诊断工具 ...

Supercharge your creativity and productivity with a premium Copilot experience. Download the Copilot app for a 1-month free trial of Copilot Pro. Get the Copilot app. Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.

Where can I find my BitLocker recovery key? BitLocker likely ensured that a recovery key was safely backed up prior to activating protection. There are several places that your recovery key may be, depending on the choice that was made when activating BitLocker:

Enter that person's account info, select the account type, and then select Add. If you need to remove an account from your PC: Select Start > Settings > Accounts > Access work or school . Select the account you wish to remove, then select Disconnect. Select Yes to confirm your actions.

如果运行的是 Windows 10、Windows 8.1 或 Windows 8，在运行系统文件检查器之前，请先运行收件箱部署映像服务和管理 (DISM) 工具。. （如果运行的是 Windows 7 或 Windows Vista，请跳到步骤 3。. 键入以下命令，然后按 Enter 键。. 命令操作可能需要几分钟才能完成。. DISM.exe ...

若要登录到 Microsoft 个人帐户，请转到 account.microsoft.com 或选择下面的“ 登录 ”。. 登录. 提示: 如果没有 Microsoft 帐户，可以选择“ 无帐户？. Create一个 ！. 输入用于其他服务的电子邮件、电话号码或 Skype 登录， (Outlook、Excel 等 ) ，然后选择“ 下一步 ”。. 提示 ...

升级到 Windows 10 专业版. Windows 10. Windows 10 专业版提供更多高级安全和业务网络功能，包括：. BitLocker 驱动器加密. 远程桌面. 能够加入域或 Azure Active Directory. 如果运行的是 Windows 10 家庭版，请选择 获取 Windows 10 Pro升级设备。. 获取 Windows 10 Pro.

Keeping Bing as your default search engine provides an enhanced search experience in the new Microsoft Edge , including direct links to Windows apps, relevant suggestions from your organization if you’re signed in with a work or school account, and instant answers to questions about Windows.However, you can change the default search engine to any site that uses OpenSearch technology.

Select the OneDrive cloud in your notification area to show the OneDrive pop-up. Select the OneDrive Help and Settings icon then select Settings. Go to the Account tab. Select Unlink this PC. macOS. Click the OneDrive cloud icon up in your Menu bar, click the three dots to open the menu, and select Preferences. Go to the Account tab.