Note: If you forgot your account info and had to reset your security info, you must wait 60 days before closing your account.

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The notification area is located at the right end of the taskbar. It contains icons you might find yourself selecting or pressing pretty often: battery, Wi-Fi, volume, Clock and Calendar, and action center.

了解如何使用 Windows 上的 Game Bar 来捕获游戏过程、与好友聊天和跟踪成就。

Find your product key to activate Windows. A product key is a 25-character code that's used to activate Windows and helps verify that Windows hasn't been used on more PCs than the Microsoft Software License Terms allow.

Let's say that you need to sum values with more than one condition, such as the sum of product sales in a specific region. This is a good case for using the SUMIFS function in a formula.. Have a look at this example in which we have two conditions: we want the sum of Meat sales (from column C) in the South region (from column A).. Here’s a formula you can use to acomplish this:

On the Start menu, scroll down the all apps list to Microsoft Solitaire Collection, right-click (or press and hold) the tile and select Pin to Start .It'll be available on the Start menu.

Info for Windows Insiders. If you’re an Insider and the current preview build isn’t working for you, select Start > Settings > System > Recovery .Next to Go back , select Go back.This won’t remove your personal files, but it’ll remove recently installed apps and drivers, and change settings back to their defaults.

Your PC can run Windows 11 if it meets minimum (basic) system requirements. For information on basic system requirements and additional requirements for specific features, see Find Windows 11 specs, features, and computer requirements.

Microsoft Rewards offers and redemption catalogs vary across regions. The following is a list of countries/regions in which Microsoft Rewards is currently available: