Microsoft .NET Framework 4.0
Is Microsoft .NET Framework 4.0 still supported?
No
Microsoft .NET Framework 4.0 reached end of life on Jan 12, 2016 (10 years ago). It no longer gets updates, including security fixes.
- Released
- Apr 12, 2010
- End of life
- Jan 12, 2016
10 years ago
Quick answers
- Is Microsoft .NET Framework 4.0 still supported?
- No. Microsoft .NET Framework 4.0 reached end of life on Jan 12, 2016 (10 years ago). It no longer gets updates, including security fixes.
- When is Microsoft .NET Framework 4.0 end of life?
- Microsoft .NET Framework 4.0 reached end of life on Jan 12, 2016. It gets no more updates, including security fixes.
- When was Microsoft .NET Framework 4.0 released?
- Microsoft .NET Framework 4.0 was released on Apr 12, 2010.
- How do I check which Microsoft .NET Framework version I have?
- Run
reg query "HKLM\SOFTWARE\Microsoft\Net Framework Setup\NDP" /s, then paste the result into the “Am I up to date?” box on this page.
Other Microsoft .NET Framework branches
All 13 →- 4.6.2 Supported
- 4.6.1 End of life
- 4.6 End of life
- 4.5.2 End of life
- 4.5.1 End of life
- 4.5 End of life
- 4.0 End of life
- 3.5 SP1 Supported
← Microsoft .NET Framework 3.5 SP1 Microsoft .NET Framework 4.5 →
Keep track
Official release policy · Checked 6 hours ago