Use Find my device to locate and lock your lost or stolen Windows devices.

Find out how to install the latest driver for your printer. If you recently upgraded Windows, your printer driver might need to be reinstalled.

Learn how to use the Gaming Services Repair Tool to troubleshoot installation and update issues with Gaming Services on PC.

Windows 11, version 23H2 ; July 25, 2024—KB5040527 (OS Builds 22621.3958 and 22631.3958) Preview; July 9, 2024—KB5040442 (OS Builds 22621.3880 and 22631.3880)

Learn how to use antivirus protection in Windows Security to protect your Windows PC against malware, viruses, and other threats.

Microsoft アカウントにサインインするためのエイリアスを使用した Microsoft アカウントのメール アドレスまたは電話番号を変更する方法について説明します。

For information about Windows update terminology, see the article about the types of Windows updates and the monthly quality update types. Note Follow @WindowsUpdate to find out when new content is published to the Windows release health dashboard.

Change your password with your email provider. See the following sections for instructions on changing your email account password for several major email providers.

Microsoft .NET Framework 4.8.1 is a highly compatible and in-place update to .NET Framework 4.8. It includes native support for the Arm64 architecture (Windows 11+), accessibility improvements as well as other improvements.

Learn how to change Microsoft account email address or phone number using aliases to sign into your Microsoft account.