Product activation for Windows – online & support telephone numbers
Learn how to activate Windows using an internet connection, automated system, or live support advocate.
Gaming Services Repair Tool for PC | Xbox Support
Learn how to use the Gaming Services Repair Tool to troubleshoot installation and update issues with Gaming Services on PC.
Get help with Outlook.com - Microsoft Support
Get help with using mail, calendar, and contacts on Outlook.com.
Applies To:
Outlook.com
Turn Microsoft Defender Firewall on or off - Microsoft Support
Get the steps for turning Windows Defender Firewall on or off.
What are IMAP and POP? - Microsoft Support
Learn the difference between IMAP and POP, and when to use each one.
Applies To:
Outlook for Microsoft 365, Outlook for Microsoft 365 for Mac, Outlook 2021, Outlook 2021 for Mac, Outlook 2019, Outlook 2019 for Mac, Outlook 2016, Microsoft 365 admin, Outlook.com, Outlook Web App for Office 365 operated by 21Vianet, New Outlook for Windows, Outlook Mail for Windows 10
Set up dual monitors on Windows - Microsoft Support
Get the steps for setting up dual monitors on your Windows PC.
Troubleshoot problems with your Microsoft mouse or keyboard
We'll describe three connection types for keyboards and mice. Follow the description that applies to your mouse or keyboard’s connection type.
KB4023057: Update Health Tools—Windows Update Service components
Summary. Microsoft Update Health Tools is offered to devices through Windows Update as update KB4023057. This update is applicable for both Windows consumer and commercial devices, with a slightly different purpose and functionality.
Automatically fix Windows security issues - Microsoft Support
Troubleshoots and fixes common issues with security and malware prevention in Windows.
Fix USB-C problems in Windows - Microsoft Support
Learn how to troubleshoot USB-C problems in Windows and fix USB devices, ports, and adapters not working properly.