使用产品密钥激活 Windows. 产品密钥是由 25 个字符组成的代码，如下所示：. 产品密钥：XXXXX-XXXXX-XXXXX-XXXXX-XXXXX. 在安装期间，系统会提示你输入产品密钥。. 或者，安装后，若要输入产品密钥，请选择“ 开始 ”按钮，然后选择 “设置 > 系统 > 激活 > 更新产品密钥 ...

Screen flickering in Windows 11 is usually caused by a display driver issue or incompatible app. To determine whether a display driver or app is causing the problem, check to see if Task Manager flickers. Then, based on that information, you'll need to update, rollback, or uninstall your display driver or update or uninstall the app.

Check that the page shows the correct Microsoft account, and then click Next. Read the list and click the checkboxes to acknowledge you’ve read each item. Choose to have the re-open window set to 30 or 60 days. In the Select a reason drop-down list, choose an explanation for why you're closing the account. Click Mark account for closure.

Using clipboard. When you copy content on your PC, it’s automatically copied to your clipboard for you to paste. You can paste multiple items from your clipboard history, and you can also pin the items you tend to use all the time and sync your clipboard history to the cloud. Here are some answers to questions you might have about your clipboard.

Start a chat with another person. Once you've selected New chat and entered a person’s name, compose your message in the box at the bottom of the chat. To open formatting options, select Format beneath the box where you type your message. When you're ready, select Send or press Enter to start the chat. You can also start a one-on-one chat ...

In the browser, go to Settings and more > About Microsoft Edge (edge://settings/help). Depending on where you purchased your device, you may see one or both of following toggles: Download and install updates automatically. Download updates over metered connections. Turn on any available toggles to always allow automatic downloads of updates.

Get updates for apps and games in Microsoft Store. Windows 11 Windows 10 Microsoft Store. To make sure that all your apps and games have the latest updates, open the Microsoft Store and select Get Updates. Open Microsoft Store. Note: Some apps and games available in the Microsoft Store manage their own updates.

Why accounts are locked and disabled. Microsoft accounts are usually locked if the account holder has violated our Microsoft Services Agreement.Here are some common reasons why accounts are locked, though not all account locks occur for these reasons:

Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more

In the search box on the taskbar, type Manage BitLocker and then select it from the list of results. Or, select the Start button, and then under Windows System, select Control Panel.In Control Panel, select System and Security, and then under BitLocker Drive Encryption, select Manage BitLocker. Note: You'll only see this option if BitLocker is available for your device.