Important: If your device is out of support, it is no longer receiving security updates from Microsoft and may become more vulnerable to security risks and viruses.For this reason, we strongly recommend that you update to the latest version of Windows. Each version of Windows is supported for 18 months.

Get security info and tips about threat prevention, detection, and troubleshooting. Including tech support scams, phishing, and malware.

Get answers to all of your OneNote questions with our how-to articles, training videos, and support content.

Find out how to submit a case review and learn more about your Xbox enforcements.

After your PC restarts to the Choose an option screen, select Troubleshoot > Advanced options > Startup Settings > Restart.You may be asked to enter your BitLocker recovery key.

Find Microsoft Excel help and learning resources. Explore how-to articles, guides, training videos, and tips to efficiently use Excel.

HDR content on Windows offers better brightness and color capabilities compared to traditional content (sometimes called standard dynamic range [SDR] content).

IMPORTANT This update is not needed and will not be offered if your Windows Recovery Environment (WinRE) meets any of the following conditions: If the WinRE recovery partition does not have sufficient free space.

Treat all email as junk unless it comes from someone in my Safe Senders or Safe Recipients lists, or from senders in my organization Select this option if you want email messages from senders that aren't defined in your Safe Senders List or Safe Recipients List or email messages from outside your organization to be treated as junk email. Email messages identified as junk email are moved to the ...

Note: Use these steps for Windows programs.If you're having problems with an app you got from Microsoft Store, go to Fix problems with apps from Microsoft Store.