Learn how to protect yourself from the data breach of National Public Data, an online background check service, in early 2024. Find out what data was exposed, the risks involved, and the actions to take with Microsoft Defender for Individuals.

Learn how to use the System File Checker tool (SFC.exe) to scan and restore Windows system files that are not working or causing crashes. Follow the steps to run SFC.exe, view the scan results, and manually replace the corrupted files if needed.

Learn how to use the MSRT to remove specific prevalent malware from Windows computers. Find out how to download, run, and update the tool, and what it does when it detects malicious software.

Learn how to update or reinstall device drivers, such as display drivers, in Windows 11 or 10. Follow the steps in Device Manager or check the device manufacturer's website for more help.

Learn how to use Microsoft Defender Antivirus to scan and remove malware from your PC. Follow the steps to run an offline scan, view the results, and restore your system.

Learn how to use PC Health Check app to check your device health, Windows 11 eligibility, and troubleshoot performance issues. Find out how to install, update, and access the app features and settings.

Learn how to get a refund for digital game products purchased from the Microsoft Store or Xbox apps. Find out the eligibility criteria, guidelines, and resources for refund requests.

Learn how to mitigate speculative execution side-channel vulnerabilities such as L1TF and MDS that affect Intel processors. See the potential performance impact of disabling hyper-threading and the Hyper-V core scheduler.

Learn how to download and install Microsoft 365 or Office 2021 on a PC or Mac with a Microsoft account, work or school account. Find out how to activate, troubleshoot, and change versions of Microsoft 365 or Office.

Windows 11, version 23H2 is a scoped feature update that activates new features in Windows 11, version 22H2. Learn how to install the enablement package that turns on the new features with a single restart.