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

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

Find out how to submit a request for a refund for a purchase of digital Xbox content.

Microsoft Defender is a new security app that helps protect you and your family across all your devices; Windows, Android, Mac, and iOS.

Internet Explorer 11 support ended on June 15, 2022. If any site you visit needs Internet Explorer 11, you can open it with Internet Explorer mode in Microsoft Edge.

Outlook.com、Hotmail、Live、または MSN のメール アカウントにサインインできない場合、サインインまたはサインアウトする方法がわからない場合は、次の解決方法を試してみてください。

Learn how to add an app to run automatically at startup. Select the Start button and scroll to find the app you want to run at startup.

Create an ISO file for Windows 10. Unlike in previous versions of Windows, you’ll need to use the media creation tool to create an ISO file to install Windows 10.

Learn how to sign in or out of your Outlook.com email account, and get solutions for common login issues.

Learn how to find and change settings in Windows. Find your Windows settings in a snap! Select the Start button, then select Settings .From there, browse the categories or use search to find what you're looking for.