There are a few common scenarios in which Windows running on a PC might be discovered to be non-genuine during validation. Repairs. If your PC has been repaired, you might start to see messages on your desktop that Windows isn't genuine.

Note: If you start to play a DVD or VCD in the Player Library, the Player automatically switches to Now Playing mode. The Blu-ray Disc format is not supported in Windows Media Player. To play a Blu-ray Disc, you need to use a non-Microsoft program that supports Blu-ray playback and a device capable of reading Blu-ray Discs.

本页提供 Microsoft 客服的电话号码。

选择要打印每页的页数： 在一张纸上打印多页是一种有用的技术，可节省纸张、降低打印成本并创建文档的紧凑版本。 可在单张纸上打印的页数取决于打印机的功能和所选打印选项 (示例：每张) 1、2、4、6、9 或 16 页。

Turn Track Changes on and off. Go to Review > Track Changes. When Track Changes is on, the section is highlighted. Deletions are marked with a strikethrough, and additions are marked with an underline.

Check the Xbox services, games, and apps for any service outages.

对 Internet Explorer 的支持已于 2022 年 6 月 15 日结束 Internet Explorer 11 已通过某些版本的 Microsoft Edge 更新永久禁用Windows 10。

保存到 u 盘 - 如果你有一个方便的闪存驱动器，则可以保存该驱动器的密钥。 如果将来计算机要求提供密钥，只需插入该 u 盘并按照屏幕上的说明进行操作。 密钥仅占用几个 kb 的空间，因此驱动器不必很大。

如果“输入密码”窗口仍处于打开状态，请选择“忘记密码？. 如果没有，请选择下面的“重置密码”，输入要重置的帐户的用户名，然后选择“ 下一步”。 重置密码

1. A user deletes a document from a document library. 2. The document is moved to the Recycle Bin for the site, the user or a site collection administrator can restore it or delete it.