I don't see the Microsoft Rewards gift card I want. Some gift cards aren’t always available through Microsoft Rewards - check back often! In the meantime, there are always great apps, movies, games, sweepstakes, and more available - all from Microsoft. Explore the Redeem page to see what’s available now.

Country/region. Microsoft Store sales support. Technical or download support. Egypt +20 2 353 3333. Technical support. South Africa. 0800 167 344. Technical support

试一试！ 从日历中加入 Microsoft Teams 会议，或以访客身份登录网页版。 从应用中加入 Teams 会议. 在“日历”中，选择“在会议开始前 加入会议”，或选择“正在开会”。

如需了解详细信息，请观看加入 Teams 会议视频。. 通过链接加入. 只需通过一个连接即可加入 Teams 会议。 在会议邀请中选择“ 立即加入会议”，将其带到一个页面，你可以在其中选择加入 Web 或下载桌面应用。 如果你已拥有 Teams 应用，会议将自动打开。

To increase security and performance, Windows 11 in S mode only runs apps from the Microsoft Store. If you want to install an app that isn't available in the Microsoft Store, or if you have Windows 10 Pro, Enterprise, or Education and want to upgrade to Windows 11, you'll need to permanently switch out of S mode.

Some apps use the video platform that's built into Windows 10. These include Universal Windows Platform (UWP) apps that come with Windows 10, such as Microsoft Edge, Photos, and Movies & TV, as well as many third-party video apps you get from Microsoft Store (for example, Hulu, Netflix, and Vudu).

另请参阅. 我无法从 Microsoft Store 找到或安装应用. 需要更多帮助吗？ 请联系支持人员. 有关技术支持，请转到联系Microsoft 支持，输入问题并选择“获取帮助”。 如果仍然需要帮助，请选择“联系支持人员”以转至最佳支持选项。

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。

ビデオ切り取りをキャプチャするには、切り取りツールを開き、[ 録画 ] ボタンを選択し、[ 新しい録音] を選択するか、Windows ロゴ キー + Shift + R キーを押します。 記録する画面の領域を選択し、[開始] を選択 します。完了したら、[停止] を選択 します。この時点で、録音をそのまま保存する ...

Learn how to tell if your Office software is genuine. To help determine if your Microsoft software is genuine, go to our How to Tell site for more information. Here you'll learn about authentic packaging, including what to look for with product key labels, and Certificate of Authenticity (COA), how to report counterfeit software, and find out what your shopping and licensing options are.