Learn how to open and run DxDiag.exe on Windows to collect device information and troubleshoot DirectX sound and video issues.

Learn how to get Windows Media Player 12 for Windows 10, Windows 8.1, and Windows 7.

Use the Settings app in Windows to change screen orientation.

Learn how to sign into your PC with Windows Hello using a PIN, facial recognition, or fingerprint.

Use the XLOOKUP function when you need to find things in a table or a range by row. For example, look up the price of an automotive part by the part number, or find an employee name based on their employee ID. With XLOOKUP, you can look in one column for a search term, and return a result from the same row in another column, regardless of which side the return column is on.

Learn how to use a health report in Windows Security to manage your device performance and keep your device secure.

Find out more about Xbox digital codes and gift cards, and how to troubleshoot issues redeeming content.

Learn how to reinstall Windows on your PC and how activation works after it's installed.

Learn how to use Remote Desktop in Windows. On your Windows, Android, or iOS device: Open the Remote Desktop app (available for free from Microsoft Store, Google Play, and the Mac App Store), and add the name of the PC that you want to connect to (from Step 1). Select the remote PC name that you added, and then wait for the connection to complete.

Hotmail が Outlook.com になりました。 サインインして、Outlook.com、Hotmail、Live、または MSN メール アカウントにアクセスする方法について説明します。