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.

Learn how to change the power mode on your Windows PC to preserve your battery, limit notifications, and background activity.

Summary. Microsoft Update Health Tools is offered to devices through Windows Update as update KB4023057. This update is applicable for both Windows consumer and commercial devices, with a slightly different purpose and functionality.

Follow these steps to temporarily turn off Defender antivirus protection in Windows Security. Keep in mind that if you do, your device may be vulnerable to threats.

Go to Settings > Apps > Apps & features to change whether you're shown app recommendations when trying to install apps from outside the Store.

Learn how to use Wi-Fi 7 and Wi-Fi 6 and WPA3 in Windows for better wireless coverage and network security.

Learn how to get Microsoft account help, troubleshoot sign in issues, keep your account secure, and manage your Microsoft account dashboard.

了解如何通过将受信任的文件、文件类型或进程添加到排除项列表，使 Windows 安全中心停止发出有关它们的警报或阻止它们。

Learn how to install Office 2013 on your PC or Office for Mac 2011.

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