Windows 10, version 2004 and Windows Server, version 2004 update history; End of service statement; December 14, 2021—KB5008212 (OS Builds 19041.1415, 19042.1415, 19043.1415, and 19044.1415)

Windows 11, version 21H2; October 8, 2024—KB5044280 (OS Build 22000.3260) September 10, 2024—KB5043067 (OS Build 22000.3197) August 13, 2024—KB5041592 (OS Build 22000.3147)

In the search box on the taskbar, type device manager, then select Device Manager from the menu.

Find out how to use Game Bar to capture game play, chat with friends, track achievements, and more.

Important: If, for example, you cancel a Microsoft 365 Basic, Personal, or Family subscription, your storage allowance will revert to 5GB of cloud storage, which includes your OneDrive and Outlook.com attachments, and 15GB of Outlook.com storage. If you cancel Microsoft 365 Family, all the people you shared your subscription with will also have their storage allowances reduced.

完成手机与 Microsoft 帐户的配对后，你将能够在使用 Microsoft 产品和服务时访问手机。 当你授权将手机连接到电脑时，你的 Microsoft 帐户凭据将传输到你的手机，以便让你无缝访问你的内容。 在 手机连接 中使用你喜欢的应用、回复文本、拨打电话、查看照片等。

This article is for Outlook.com. If you're using Outlook for Windows, see Fixes or workarounds for recent issues in Outlook for Windows.. If you're having problems accessing Outlook.com, you can see the status of Microsoft Office Online Services at the Service Health portal.. If you're having problems sending or receiving email, read how to Fix Outlook.com email sync issues.

Follow these steps to automatically diagnose and repair Windows security problems by turning on UAC, DEP protection, Windows Firewall, and other Windows security options and features.

Check the placement of the wireless USB dongle. The wireless USB dongle should be plugged into a USB port that allows for the best reception and minimizes the distance between the wireless USB dongle and the keyboard or mouse.

Notes: You don't need a smartphone to receive a security code. Text messages may come from either "MSFT", a short number, or a mobile number.If you have requested a security code, you can trust the message that arrives.