Learn how to change the refresh rate for your display in Windows to determine how smoothly motion appears on your screen.

Learn how to remove malware from your PC. Use Microsoft Defender Antivirus in Windows 10 or Windows 11 to scan your PC for malware, viruses, or other threats.

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

Using Authenticator as a way to sign in. If you have turned on passwordless, two-step, or multi-factor authentication for your account, use the following steps to sign-in:

Next steps. After you register your personal device to your organization's network, you should be able to access most of your resources. If your organization wants you to join your work device, see Join your work device to your organization's network.

Change or delete a header or footer from another single page. To delete or change headers and footers on individual pages within a document, start by inserting a section break.

Get the steps for turning Windows Defender Firewall on or off.

System requirements and setup steps for the Phone Link app

Share your calendar in an email. If you don't want to give someone permissions to share your calendar and see updates, you can email a static copy of your calendar for a specific date range.

Learn how to restart your PC on the Microsoft Support website.