Use Find my device to locate and lock your lost or stolen Windows devices.

系统要求. 手机连接 体验从 Windows 电脑和 手机连接 开始。 从电脑中，可以使用预安装在设备上的连接至 Windows 应用或从 Google Play 或 Samsung Galaxy Store 下载的应用连接到选择 Android、Samsung、HONOR、OPPO 和华硕设备。

Learn about getting started with the new Microsoft Defender on your personal devices including Windows, Mac, Android, and iOS.

Learn how to find which version of Windows operating system your PC is running and device specifications.

Find out how to manage your Xbox subscriptions to request a refund or cancel a recurring payment.

Summary. Windows 10, versions 2004 and 20H2 share a common core operating system with an identical set of system files. Therefore, the new features in Windows 10, version 20H2 are included in the latest monthly quality update for Windows 10, version 2004 (released October 13, 2020), but are in an inactive and dormant state.

Windows Security is pre-installed on Windows 10 and ready for you to use at any time.

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

O Hotmail é agora Outlook.com. Saiba como iniciar sessão para aceder ao seu Outlook.com, Hotmail, Live, ou conta de e-mail MSN.

Si votre achat d’Office incluait une clé de produit ou Microsoft 365, vous devez entrer votre clé de produit sur l’un des sites web listés ci-dessous pour votre produit.