Repair or reset Windows Media Player: If Windows Media Player is not working properly, you can try to repair or reset it to its default settings.To do this, Select Start > Settings > Apps > Installed Apps.. Scroll down and click the three horizontal dots next to Windows Media Player and choose Advanced options, and click the Repair or Reset button. Note that resetting Windows Media Player will ...

When prompted, enter the product key. You can find the product key on the sticker on the CD case or other packaging. If you need help, see Find your Product Key for Office 2007.

若要在 Windows 11 中检查激活状态，请选择“开始 ”按钮，然后选择“设置 > 系统 ” ，然后选择“激活 ”。 。 激活状态将在“激活”旁边列出。 在“设置”中检查激活状态. 你将在“激活”页面上看到以下一条激活状态消息：

Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.

Learn how to manage extensions in Microsoft Edge, including adding, disabling, or removing them as needed.

Here's more info on what permissions allow an app to do: Access all your files, peripheral devices, apps, programs, and registry: The app has the ability to read or write to all your files (including documents, pictures, and music) and registry settings, which allows the app to make changes to your computer and settings. It can use any peripheral devices that are either attached or part of ...

Free. 免费锁屏提醒表示活动Microsoft 365 家庭版或个人订阅不与登录帐户相关联。. 只有 Word、Excel 和 PowerPoint 的免费 Web 版本可供使用。 若要在浏览器中访问这些应用，只需使用 Microsoft 帐户登录到 Microsoft365.com，并从应用启动器 选择所需的应用。. 免费试用Word、Excel 和 PowerPoint

Deinstallieren über das Startmenü. Wählen Sie "Start " > "Alle Apps" aus, und suchen Sie in der angezeigten Liste nach der App.

Notes: Reinstalling Windows 11 using installation media while choosing to ‘Keep nothing’ (a clean install) will automatically enable reserved storage if the partition you reinstall Windows to is 20GB or larger. Reserved storage sets aside disk space to be used by updates, apps, temporary files, and system caches, thus improving the day-to-day function of your PC by ensuring that critical ...

Windows Security provides built-in security options to help protect your device from malicious software attacks. To access the features described below, tap the Windows Start button, type windows security, select it from the results, and then select Device security.