查找 Windows 7 或 Windows 8.1 的产品密钥. 卸载或重新安装 Windows 7 或 Windows 8.1 时，通常需要产品密钥。 通常，如果购买的是实物 Windows 拷贝，产品密钥应该在标签上或者在 Windows 随附包装盒中的卡上。

Notes: By default, all searches are AND searches. You must capitalize the NOT and OR operators. Otherwise, Bing will ignore them as stop words, which are commonly occurring words and numbers that are omitted to speed a full-text search.

2:00. To add music or other audio clip to your slide show, select the slide you want and click Insert > Audio.You can add audio to a single slide, play audio automatically when a slide appears, or add a song that plays as background music during your entire presentation.

After you show the tab, the Developer tab stays visible, unless you clear the check box or have to reinstall a Microsoft 365 program.. The Developer tab is the place to go when you want to do or use the following:. Write macros.

Note: If a compatibility issue has been identified on your device that would disrupt your experience using Windows 11, we will temporarily delay your upgrade until the issue is resolved.Compatibility safeguard holds help ensure you have the best experience possible when upgrading and your productivity is not disrupted if critical apps or drivers are not yet compatible.

Поиск информации об операционной системе в Windows 11. Чтобы узнать, какая версия Windows используется на вашем устройстве, нажмите клавишу с логотипом Windows + R, введите winver в поле Открыть и затем нажмите ОК.

Узнайте, как получать последние обновления Windows, чтобы обеспечить бесперебойную работу устройства.

The Xbox app on PC relies on two Microsoft accounts: the Microsoft Store account, and the Xbox account (your PC gaming account). The Microsoft Store account provides access to owned games, subscription benefits, and other Xbox app purchases made by that account. The Xbox account is used for game streaming access, in-game purchases, achievements, and friends.

大部分应用程序（例如 Microsoft Word、Excel 和 PowerPoint）在安装软件时会自动安装字体。 例如，Microsoft Publisher 等专为文档设计项目而创建的应用程序通常带有许多额外的字体，可在计算机上的其他任何程序上使用。

Erfahren Sie, wie Sie die Windows Update-Problembehandlung ausführen, um Fehler beim Herunterladen oder Installieren von Windows zu beheben.