Microsoft Windows 5-sp3 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Microsoft Windows 5-sp3 reached end of life on 8 Apr 2014. It no longer receives security fixes.
Support timeline
Official dates from the Microsoft Windows release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 21 Apr 2008 | 18y 5mo ago |
| Active Support ended | 14 Apr 2009 | security fixes only after this |
| Security Support ended | 8 Apr 2014 | 12y 6mo ago |
| Latest release | 5.1.2600 | final |
Where to go from 5-sp3
Recommended target: Microsoft Windows 11-26h2-e (supported until 9 Oct 2029).
The newest actively supported branch is Microsoft Windows 11-26h2-e (latest release 10.0.26300).
Frequently asked questions
Is Microsoft Windows 5-sp3 still safe to use?
Microsoft Windows 5-sp3 reached end of life on 8 Apr 2014, 4,563 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Microsoft Windows 5-sp3?
Yes — the final release (5.1.2600) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Microsoft Windows 5-sp3 to?
Upgrade to Microsoft Windows 11-26h2-e, the newest actively supported branch (supported until 9 Oct 2029).