Windows Security provides built-in security options to help protect your device from malicious software attacks. To access the features described below, tap the Windows Start button, type windows security, select it from the results, and then select Device security. Notes: What you actually see on the Device security page may vary depending ...

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.

Remarques : Votre mot de passe Hotmail ou Outlook.com est le même que celui de votre compte Microsoft. Si vous pouvez vous connecter mais que vous rencontrez des problèmes avec Outlook.com, vérifiez l’état du service.Si l’état n’est pas vert, patientez jusqu’à ce que le service fonctionne normalement et essayez de vous reconnecter.

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 ...

Make sure that your microphone or headset is the system default recording device. Here's how to do this in Windows 11: Select Start > Settings > System > Sound. In Input, go to Choose a device for speaking or recording, and select the device you want. To test your microphone, speak into it. In Volume, make sure the blue bar moves to make sure ...

Select Start > Settings > System > Display > Advanced display . Next to Choose a refresh rate , select the Dynamic option. ( Note: This option is only available on supported hardware. If you don’t see the Dynamic option, then your hardware doesn’t support DRR.) If you want to disable DRR and use a fixed refresh rate, you can select a ...

Troubleshoot unrequested verification codes. Note: If you're still not receiving verification codes, you may have to choose another method, or wait until you can access the phone or email you've listed. To protect your account and its contents, our support agents are not allowed to send verification codes or access and change account details.

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About Windows 11 in S mode. Windows 11 in S mode is a version of Windows 11 that's streamlined for security and performance, while providing a familiar Windows experience. To increase security, it allows only apps from Microsoft Store, and requires Microsoft Edge for safe browsing.

Go to the Windows 7 Service Pack 1 download page on the Microsoft website. Select the Download link that corresponds to your version of Windows 7. Select each of the download links and save them to your PC. When you're ready to install SP1, run the .exe file you downloaded from the site. Then follow the instructions to install SP1.