Learn how to install Windows 7 Service Pack 1 (SP1). Includes info about how to get the download, requirements, and more.

Get the steps for turning Windows Defender Firewall on or off.

Learn how to connect to a Wi-fi network in Windows and manage your current network connections.

Do you need some help installing Quick Assist? For the best experience, download and install the new version of the Quick Assist app from Microsoft Store. If you have problems installing Quick Assist, here are some steps to try to get it installed and working properly.

Note: If you don't see other sites listed when you attempt to move or copy items, your organization doesn't allow moving or copying across sites.If you're a SharePoint admin or global admin for your organization, to learn how to enable cross-site copying in the SharePoint admin center, see Allow or prevent custom script.

了解如何在 Windows 10 和 Windows 11 中添加用户帐户。 有了帐户之后，每个人都可拥有单独的文件、浏览器收藏夹和私人桌面。

Use your favorite apps, respond to texts, make calls, view photos, and more in the Phone Link . After approving permissions to allow access to your phone, you can use your favorite apps, respond to texts, make calls, view photos, and more on your Windows PC.

Use Microsoft Teams (work or school) for a Microsoft work or school account or a guest account in Windows 11. Also, find out which version of Teams you’re using.

开始之前. 确保要安装 Windows 11 的设备满足最低系统要求。 如果设备当前正在运行 Windows 10，建议使用电脑健康状况检查应用验证最低系统要求。 我们不建议在不符合要求的设备上安装 Windows 11。

How to use Storage Sense to free up hard drive space on your Windows device.