了解如何从 Windows 10 家庭版升级到 Windows 10 专业版或从 Windows 11 家庭版升级到 Windows 11 专业版，包括如何使用有效产品密钥或 Microsoft Store。

Microsoft Edge is the recommended browser by Microsoft. Support for Internet Explorer ended on June 15, 2022. Internet Explorer 11 has been permanently disabled through a Microsoft Edge update on certain versions of Windows 10.

When you delete an online-only file from your device, you delete it from your OneDrive on all devices and online. You can restore deleted files and folders from your OneDrive recycle bin on the web for up to 30 days for items stored in OneDrive personal (when you're signed in with a Microsoft account), or for up to 93 days for items stored in OneDrive for work or school or SharePoint in ...

Notes: If you don't see Go to Microsoft Store on the Activation page, contact your organization's support person.. If you made a substantial hardware changes to your device (such as replacing the motherboard) and you have a valid product key, try to activate Windows by phone.

Learn how to join a Microsoft Teams meeting if you don't have an account. Join a Teams meeting as a guest in the Windows app or on the web.

Use your phone's audio. If your mic doesn’t work after trying the solutions above and you see one of the messages below, select Call me back to use your phone’s mic.. Enter your phone number and select Call me to receive a call from Teams that will connect you to your meeting. Your audio will come from your phone, but other content sharing will still take place on your desktop.

Upload files or folders to OneDrive. You can store over 300 types of files on OneDrive. With Microsoft Edge or Google Chrome: Select Add new > Files upload or Folder upload > Folder.

Learn how to tell if your Office software is genuine. To help determine if your Microsoft software is genuine, go to our How to Tell site for more information. Here you'll learn about authentic packaging, including what to look for with product key labels, and Certificate of Authenticity (COA), how to report counterfeit software, and find out what your shopping and licensing options are.

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Some apps use the video platform that's built into Windows 11. These include Universal Windows Platform (UWP) apps that come with Windows 11, such as Microsoft Edge, Photos, and Movies & TV, as well as many third-party video apps you get from Microsoft Store (for example, Hulu, Netflix, and Vudu).