Learn how to remove malware from your PC. Use Microsoft Defender Antivirus in Windows 10 or Windows 11 to scan your PC for malware, viruses, or other threats.

Learn how to find which version of Windows operating system your PC is running and device specifications.

Windows では、さまざまな方法でマウスをカスタマイズできます。 たとえば、マウス ボタンの機能を交換したり、マウス ポインターを見やすくしたり、マウス ホイールのスクロール速度を変更したりすることができます。

The phonetic keyboards are available starting from Windows 10 May 2019 Update, and Indian language users won’t need to download and install any external Input Method Editors (IMEs) to input Indic text in a phonetic style. The transliteration rules used in the keyboards are based on ISO 15919.

Get steps for how to change screen brightness in Windows.

Learn how to locate and manage your app permissions on Windows devices. Some apps or games need specific permissions to work properly.

Learn how to enable virtualization through the UEFI (or BIOS) of your PC to run the Windows Subsystem for Android or Windows Subsystem for Linux.

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.

Learn how to use Snipping Tool to capture a screenshot, or snip, of any object on your screen, and then annotate, save, or share the image.

Learn about getting started with the new Microsoft Defender on your personal devices including Windows, Mac, Android, and iOS.