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Windows Operating Systems

Get online Support for the Windows version installed on your Dell device.
Find system troubleshooting, update tutorials and upgrade information.

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Windows 11 tested systems
Windows 11 tested systems

View a list of computer models tested by Dell for specific versions of Windows 11

Reinstall Windows 10
Reinstall Windows 10

Learn how to reset Windows 10 with SupportAssist OS Recovery

Troubleshoot Slow Performance
Troubleshoot Slow Performance

Learn what slow performance looks like and how to fix it

Additional Support

Dell computers tested for upgrade to Windows 11
Get a list of Dell systems tested by our engineers for upgrade to Windows 11
Windows 8 Support
Learn how to, troubleshooting and upgrading tips for Windows 8. Get Microsoft Windows 8 support information for your Dell PC here.
Windows 7 Support
Learn how to, troubleshooting and upgrading tips for Windows 7. Get Microsoft Windows 7 support information for your Dell PC here.
Windows Vista Support
Windows XP Support
Windows Server Support
This page contains detailed information Installation and implementation guide to multiple Windows Server releases. Also, provides guide to Windows update troubleshooting such as performance and networking issues.