My product key isn't working. If your Office product key doesn’t work, or has stopped working, you should contact the seller and request a refund. If you bought a product key separate from the software, it’s very possible the product key was stolen or otherwise fraudulently obtained, and subsequently blocked for use.

Learn how to install the Media Feature Pack for Windows 10/11 N editions (September 2022).

Learn how to use and install mobile apps on your Windows 11 PC with the Windows Subsystem for Android™.

Learn how to change your Windows desktop background (wallpaper) and accent color using personalization settings.

Do you need some help installing Quick Assist? For the best experience, download and install the new version of the Quick Assist app from Microsoft Store. If you have problems installing Quick Assist, here are some steps to try to get it installed and working properly.

Remote Assistance and Easy Connect let someone you trust take over your Windows 10 PC and fix a problem from wherever they are.

If you're trying to add your Outlook.com account to Outlook or another mail app, you might need the POP, IMAP, or SMTP settings. You can find them below or by viewing them in your Outlook.com settings.. Outlook and Outlook.com may be able to detect your account's mailbox settings automatically, but for other non-Microsoft accounts, you may need to contact your email provider for their settings.

To download the offline installer for Internet Explorer 11, choose your language and system below.

Hotmail ist jetzt Outlook.com. Erfahren Sie, wie Sie sich anmelden, um auf Ihr Outlook.com-, Hotmail-, Live- oder MSN-E-Mail-Konto zuzugreifen.

How to freeze panes in Excel to keep rows or columns in your worksheet visible while you scroll, or lock them in place to create multiple worksheet areas.