Troubleshoot screen flickering in Windows. 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 ...

Windows ライセンス認証の方法. Windows 11 のコピーの入手方法に応じて、ライセンス認証を行うために、デジタル ライセンスまたは 25 文字のプロダクト キーのどちらかが必要になります。. いずれかがないと、デバイスのライセンス認証を行うことはできませ ...

Learn how to use PivotTable in Excel to calculate, summarize, and analyze data, revealing hidden patterns and trends.

You can find the product key in one of the following locations: Sticker on the CD case or other packaging. Certificate of Authenticity. Confirmation email message received from an online purchase. Important: Don't lose your Product Key. Keep the packaging, or write the number down and keep it in a safe place.

Find out how to view your system information on Microsoft Support, including hardware and operating system details.

Learn how to use the cloud-based clipboard in Windows, share clipboard items across your devices, and pin items to your clipboard menu.

Manage Microsoft 365 payment information and billing for your business In the Microsoft 365 admin center, you can manage the payment information and billing for your Microsoft 365 subscription. From here you can review your invoices, add a new payment method, or check your other Microsoft billing information.

在任务栏上的搜索框中，输入 设备管理器 ，然后选择 设备管理器 。. 选择类别以查看设备名称，然后右键单击（或长按）你要更新的设备。. 选择“自动搜索更新的驱动程序软件”。. 选择“更新驱动程序”。. 如果 Windows 找不到新的驱动程序，你可以在设备 ...

To get a theme, expand one of the categories below, select a link for the theme, and then select Open. This saves the theme to your PC and puts it on your desktop. If you prefer, some themes can also be installed from the Microsoft Store. Explore themes in the Microsoft Store. Get free Windows themes from Microsoft to personalize background ...

In the search box on the taskbar, type file explorer, and then select it from the list of results. Right-click the file you want to zip, and then select Send to > Compressed (zipped) folder . To decompress files. Open File Explorer and find the compressed folder. To unzip the entire folder, right-click to select Extract All, and then follow the ...