Using the Windows Activation troubleshooter - Microsoft Support
Learn how to use the Activation troubleshooter to resolve common activation issues in Windows.
安装 Visio 或访问 Visio 网页版 - Microsoft 支持
如果你有 Visio 计划 2 或非订阅版本（如 Visio Professional 或 Visio Standard2021、2019 或 2016），则可以安装和使用桌面应用。 如果拥有 Visio 计划 1 ，访问 Visio 的 唯一方式 就是通过 Web 应用版本访问。
Applies To:
Visio Plan 2, Visio Professional 2021, Visio Standard 2021, Visio Professional 2019, Visio Standard 2019, Visio Professional 2016, Visio Standard 2016, Office for business, Office 365 Small Business, Microsoft 365 admin, Office.com
Find out which version of Microsoft Edge you have
Open Microsoft Edge, select Settings and more (...), and then select Settings. Look for your version under About Microsoft Edge.
Mettre à jour manuellement les pilotes dans Windows
Découvrez comment mettre à jour des pilotes dans Windows à l’aide de Gestionnaire de périphériques pour mettre à jour ou réinstaller un pilote.
Stay safe with a genuine Office license - Microsoft Support
After launching an Office app, you might receive a message that says Get genuine Office.. If you see this, we've determined that the Office product installed on your device isn't legitimate and you may be a victim of software counterfeiting.
Applies To:
Office 2019
Battery saving tips for Windows - Microsoft Support
Learn how to extend your PC's battery life using battery saver and other power-saving tips for Windows.
更改桌面背景图像 - Microsoft 支持
在 “个性化设置背景”旁边的列表中，选择“图片”、“ 纯色”、“ 幻灯片放映”或“ Windows 聚焦 (”，) 查看来自世界各地的新图像。
How to help keep your Microsoft account safe and secure
Learn how to keep your Microsoft account safe, including making a strong password, identifying safe emails, and reviewing account activity.
Applies To:
Microsoft account dashboard
Создание установочного носителя для Windows
Создание установочного носителя для установки или переустановки Windows 7, Windows 8.1 или Windows 10.
屏幕镜像和投影到电脑或无线显示器 - Microsoft 支持
如果你正在使用 Windows 电脑，并且想要在电脑设备上显示来自其他屏幕的应用程序和内容，则需考虑将设备屏幕镜像或投影到 ...