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Finding your BitLocker recovery key in Windows - Microsoft Support
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:
Open Device Manager - Microsoft Support
Open Device Manager. In the search box on the taskbar, type device manager, then select Device Manager from the menu.
Fix sound or audio problems in Windows - Microsoft Support
If the Get Help app is unable to resolve your sound or audio issue, try the possible solutions listed: 1. Check your speaker output. 2. Run the audio troubleshooter. 3. Verify that all Windows Updates are installed. 4. Check your cables, plugs, jacks, volume, speaker, and headphone connections.
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.
适用于: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 家庭版, Office 商业版, Office 365 小型企业版, Microsoft 365 管理员, 由世纪互联运营的 Office 365, 由世纪互联运营的 Office 365 - 管理员版, Microsoft 365 Mac 版, Office 365 Germany – 企业版, Office 365 Germany - 企业管理员版
How to sign in to or out of Outlook.com - Microsoft Support
To sign out, go to Outlook.com. Select your account initials or account picture at the top corner of your Inbox. Select Sign out. Tips: If you don't see your picture at the top of screen, check to see if ad blocking is turned on. Sometimes this prevents the picture from showing. If you don't see see Profile or Account options, you can access ...
适用于: Outlook.com
Scan a document or picture - Microsoft Support
A scanner you've connected using a wired, wireless, or network connection. An app for scanning files, such as Windows Scan, available for free from Microsoft Store. The Windows Scan app can help you scan pictures or documents and save them to your PC as JPEG, bitmap, or PNG files. For more info, see Install and use a scanner in Windows.
Download and install the Microsoft Authenticator app
Set up the Authenticator app. After you install the Authenticator app, follow the steps below to add your account: Open the Authenticator app. Select (+) in the upper right corner. Point your camera at the QR code or follow the instructions provided in your account settings. After your account appears in your Authenticator app, you can use the ...
Update Windows - Microsoft Support
Update Windows. In Windows 11, you decide when and how to get the latest updates to keep your device running smoothly and securely. To manage your options and see available updates, select Check for Windows updates. Or select Start > Settings > Windows Update . Here's some other info you might be looking for:
Change screen brightness in Windows - Microsoft Support
Select the Network icon on the right side of the taskbar, and then move the Brightness slider to adjust the brightness. (If the slider isn't there, see the Notes section below.) Some PCs can let Windows automatically adjust screen brightness based on the current lighting conditions. To find out if your PC supports this, select Settings > System ...
安装 Windows 11 的方法 - Microsoft 支持
安装 Windows 11 的其他方法(不推荐). 使用安装助手进行升级 我们建议你等到设备可以升级到 Windows 11 后再使用安装助手。. 准备就绪后,可以在 Windows 11 软件下载页 上找到它。. 创建 Windows 11 安装媒体 在 Windows 11 软件下载页面 上,选择 立即创建工具 ,然后 ...