Learn how to update Windows to ensure your device operates smoothly and securely with the latest features.

Learn why it's important to have a backup, and how Windows Backup can help you keep your files and settings safe.

Save disk space by creating a USB recovery drive, and use it to restore, refresh, or reset your PC.

了解如何在电脑上安装 Office 2013 或 Office for Mac 2011。

How to use the SUMIF function in Excel to add the values in a range that meet criteria that you specify.

Find the Recycle Bin. If your desktop shows no icons at all, right-click (or press and hold) the desktop and select View.If Show desktop icons has no checkmark, click it to add one. If that doesn't work, try this:

Summary. Windows 11, versions 22H2 and 23H2 share a common core operating system with an identical set of system files. Therefore, the new features in Windows 11, version 23H2 are included in the latest monthly quality update for Windows 11, version 22H2 but are in an inactive and dormant state.

Change the size of your desktop icons. To resize desktop icons, right-click (or press and hold) the desktop, point to View, then select Large icons, Medium icons, or Small icons.

Microsoft's products and services work best if you use the same language and region across all your devices, and in all of your app and Store settings.

Your Phone is now Microsoft Phone Link! Learn more about our recent name change for our PC and Android mobile apps.