To check activation status in Windows 11, select the Start button, and then select Settings > System and then select Activation .. Your activation status will be listed next to Activation.. Check activation status in Settings. You'll see one of these activation status messages on the Activation page:

若要了解 Windows 是否可以解决该问题，请关闭在你的主显示器上显示模糊的桌面应用，然后再次打开它。 如果应用仍然显示模糊，你可以尝试为该应用使用不同的高 DPI 兼容性设置，而不是 让 Windows 尝试修复应用，使其不模糊 设置。 有关如何执行此操作的详细信息，请参阅使旧版程序与此版本的 ...

若要在电子邮件或会议邀请中吸引某人的注意，请在邮件或邀请中键入 @ 符号，后跟其姓名。 这样做将突出显示其姓名，并提示 Outlook 将其添加到“To”行，确保他们注意到，并在收件箱的邮件旁边添加 @ 符号。

若要在 Outlook.com 中获取支持，请单击此处或选择菜单栏上的帮助，然后输入查询。 如果自助服务无法解决问题，请向下滚动到“仍需要帮助？”，然后选择“是”。 若要在 Outlook.com 中联系我们，需要登录。

Check that your computer's anti-virus is not blocking pop-ups or payment confirmation windows.

使用 Microsoft Edge，可以在设备上安装和管理常用网站的应用程序，以便快速访问。 使用 edge://apps 页查看已安装的应用程序并管理应用权限。 可以按安装日期、最近使用和字母顺序对已安装的应用程序进行排序。

Efficiency mode What is efficiency mode in Microsoft Edge? Efficiency mode is designed to help extend battery life. It minimizes power usage by reducing resource usage through modifying background tab activity and some foreground activity, as well as putting inactive background tabs to sleep after 30 minutes or less of inactivity (if Save resources with sleeping tabs is on).

Where your best groups chat. GroupMe is the easy way to connect with all the groups in your life, big and small. With apps on iOS, Android, and Web, GroupMe keeps you connected with the people most important to you.

If you have Office 2007, Skype for Business 2016 won't be fully integrated with your Office programs. For example, you won't see the presence of your co-workers when you type an email in Outlook (by "presence" I mean you won't see whether they're available, busy, or away), and you won't have a few other features.

If you’re connecting to your home Wi-Fi network, consider changing the type of security that your router or access point uses. You can do this by signing in to your router using the software for it, and then changing the security type for your home Wi-Fi network.