Activate Windows - Microsoft Support
Activate Windows using a product key. A product key is a 25-character code, that looks like this: PRODUCT KEY: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX. During installation, you'll be prompted to enter a product key. Or, after installation, to enter the product key, select the Start button, and then select Settings > System > Activation > Update product ...
View, manage, and install add-ins for Excel, PowerPoint, and Word
When you enable an add-in, it adds custom commands and new features to Microsoft 365 programs that help increase your productivity. Because add-ins can be used by attackers to do harm to your computer, you can use add-in security settings to help protect yourself.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, Excel for the web, Word for the web, PowerPoint for the web, Excel 2021, Word 2021, PowerPoint 2021, Excel 2021 for Mac, Word 2021 for Mac, PowerPoint 2021 for Mac, Excel 2019, Word 2019, PowerPoint 2019, Excel 2019 for Mac, Word 2019 for Mac, PowerPoint 2019 for Mac, Excel 2016, Word 2016, PowerPoint 2016, InfoPath 2013
重新安装 Windows - Microsoft 支持
使用安装介质重新安装Windows 11. 将创建的安装媒体连接到电脑，然后重新安装Windows 11。. 打开“ 文件资源管理器 ” ，然后选择安装介质所在的驱动器。. 在驱动器的根目录中，双击 setup.exe，然后在系统询问你是否允许应用对你的设备进行更改时选择“ 是 ...
更新和分享你的 Xbox 愿望清单 | Xbox Support
打开 Windows 版 Xbox 应用，然后登录 Microsoft 帐户。. 选择“Microsoft Store”>“我的愿望清单”>“设置”。. 选择“保密”或“公开”，然后选择“保存并关闭”。. 通过在公开清单上选择“共享”，可以复制链接并与他人共享你的愿望清单。.
Surface 用のドライバーとファームウェアをダウンロードする - Microsoft サポート
Surface アプリを使用して、Surface ドライバーとファームウェアの正常性を簡単に確認できます。. Surface アプリを開く. Surface アプリで、 [ ヘルプ &サポート] を展開し、更新プログラムの状態を確認します。. 利用可能な更新プログラムがある場合は、 [ 更新 ...
Surface Pro (第 5 世代) の仕様と機能 - Microsoft サポート
Surface Pro (第 5 世代) と Windows 10. Surface Pro (第 5 世代) には Windows 10 Pro エディションが搭載されています。 どの Surface モデルを使っているかわからない場合は、使用している Surface モデルに関するページをご覧ください。. Surface Pro (第 5 世代) の図
Download drivers and firmware for Surface - Microsoft Support
To find the link for the driver you need, select the dropdown list below and then scroll through it to find the type of Surface you have. After you've selected it, you'll see the available links for that type of Surface device model. Select the link for your model to get the latest firmware and drivers for sound, display, ethernet, and Wi-Fi.
Back up your Windows PC - Microsoft Support
First, launch Windows Backup: select Start , type windows backup, and select Windows Backup from the results. (Or you can select Start > All apps > Windows Backup .) Then select Folders to drop it down, and select which of your user folders you want to back up to OneDrive: You can back up your Desktop, Documents, Pictures, Videos, and Music ...
KB5034236：用于安装和恢复Windows 11版本 21H2 的兼容性更新：2024 年 1 月 9 日
当用户安装功能更新以移动到 Windows 11 版本 21H2 时，此更新将自动安装。. 此更新不会随每月质量更新一起自动安装。. 若要获取此更新的独立包，请下载 KB5034236 更新。. 若要从更新目录下载更新，请参阅 从 Windows 更新目录下载更新的步骤 。. 请参阅其他发布 ...
Camera doesn't work in Windows - Microsoft Support
If that doesn't work, or your camera is built in on your device, try this: Select Start , type device manager, then select it from the search results. Find your camera under Cameras, Imaging devices , or Sound, video and game controllers. If you can't find your camera, select the Action menu, then select Scan for hardware changes.