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

Learn how to reinstall Windows on your PC and how activation works after it's installed.

了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。

To play a recorded meeting in Microsoft Teams, go to the chat history of the meeting and click Play.

Go to Settings > Apps > Apps & features to change whether you're shown app recommendations when trying to install apps from outside the Store.

Learn how to unlock your Microsoft account and resolve 'account has been locked' error message.

Use Find my device to locate and lock your lost or stolen Windows devices.

Learn how to locate and manage your app permissions on Windows devices. Some apps or games need specific permissions to work properly.

Training: Get started with SharePoint in Microsoft 365. At office.com, sign in to SharePoint, then select the SharePoint tile.

Get answers to common questions about WordPad. Here are a few tips to help you use WordPad: To open and save files, select File, then select New to create a new document, Open to work with an existing document, or Save to save your document.(If your document doesn't have a name, WordPad will ask you to provide one.)