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

PC に Office 2013 または Office for Mac 2011 をインストールする方法について説明します。

Check the Xbox services, games, and apps for any service outages.

Download the latest Windows update from the Windows Update page in Settings for your device when it becomes available.

Learn how to troubleshoot Bluetooth problems in Windows. Resolve issues connecting a Bluetooth device or accessory.

Learn how to access Windows device security settings in Windows Security to help protect your device from malicious software.

Learn how to update drivers in Windows using Device Manager to update or reinstall a driver.

Learn how to reset or change your Microsoft account password. Get help with a forgotten Microsoft account password.

Tip: If you have a Microsoft 365 Family subscription, people you've shared the subscription with can also set up a personalized email address with your connected domain.After you've set up your domain, people you've shared with will see an option to add a personalized email address in the premium features section of Outlook settings.

Learn how to upgrade from Windows 10 Home to Windows 10 Pro or Windows 11 Home to Windows 11 Pro, including how to use a valid product key or the Microsoft Store.