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 ...

另请参阅. 如果找不到 Microsoft Store，请参阅 在 Windows 10 中查找 Microsoft Store 时遇到问题的疑难解答。. 如果在启动 Microsoft Store 时遇到问题，请参阅 Microsoft Store 无法启动。. 如果可以启动 Microsoft Store，但只是在查找或安装应用时遇到问题，请参阅 我无法从 Microsoft Store 找到或安装应用。

Why some files won't open in Internet Explorer. Internet Explorer uses add-ons such as Adobe Reader to view some files in the browser. If a file that needs an add-on won't open, you might have an older version of the add-on, which needs to be updated.

Visualizations for Windows Media Player. Windows Media Player plug-ins. Desktop themes and wallpapers Visualizations are colors, shapes, and patterns that move to the music in Windows Media Player Now Playing mode.

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。

To reset the Hosts file back to the default, follow these steps: 1. Open Notepad. To do this, search for “Notepad” using Cortana, and then tap or click the Notepad icon.. 2. Copy the following text, and then paste the text into the file:

Chat: If you wish to guarantee Chat is turned off for a given PC, you can do so by mapping www.bing.com to either Nochat.bing.com (which will lock Chat as turned off for the given PC) or Nochatstrict.bing.com (which will lock Chat as turned off for the given PC and the SafeSearch setting as locked to strict), by following the same steps as outlined above but in step 6, pinging either “nochat ...

You changed the hardware on a previously activated Windows 10 PC.. A Windows license is associated with your PC hardware. If you make significant hardware changes, such as replacing your motherboard, Windows won’t be able to find a matching license the next time you start your PC.

Pin the apps you use most often to the Start menu. Here's how: Select Start from the taskbar, then find the app you want to pin in the list or search for it by typing the app name in the search box.

Get help and learn how to use Skype with Microsoft's official support page.