Microsoft .NET Framework

Microsoft .NET Framework follows the Component Lifecycle Policy.


.NET Framework 4.5.2, 4.6, and 4.6.1 retired on April 26, 2022. These specific releases were previously signed using Secure Hash Algorithm (SHA-1) certificates. This algorithm is no longer secure. Customers are encouraged to move to SHA-2. Go here to learn more.

Support dates are shown in the Pacific Time Zone (PT) - Redmond, WA, USA.

Support Dates

Listing Start Date End Date
Microsoft .NET Framework 2006-02-17T00:00:00.000-08:00 See Note


Version Start Date End Date
.NET Framework 4.8.1 2022-08-09T00:00:00.000-08:00
.NET Framework 4.8 2019-04-18T00:00:00.000-08:00
.NET Framework 4.7.2 2018-04-30T00:00:00.000-08:00
.NET Framework 4.7.1 2017-10-17T00:00:00.000-08:00
.NET Framework 4.7 2017-04-11T00:00:00.000-08:00
.NET Framework 4.6.2 2016-08-02T00:00:00.000-08:00 2027-01-12T22:59:59.999-08:00
.NET Framework 4.6.1 2015-11-30T00:00:00.000-08:00 2022-04-26T22:59:59.999-08:00
.NET Framework 4.6 2015-07-29T00:00:00.000-08:00 2022-04-26T22:59:59.999-08:00
.NET Framework 4.5.2 2014-05-05T00:00:00.000-08:00 2022-04-26T22:59:59.999-08:00
.NET Framework 4.5.1 2014-01-15T00:00:00.000-08:00 2016-01-12T22:59:59.999-08:00
.NET Framework 4.5 2012-10-09T00:00:00.000-08:00 2016-01-12T22:59:59.999-08:00
.NET Framework 4.0 2010-04-12T00:00:00.000-08:00 2016-01-12T22:59:59.999-08:00
.NET Framework 3.5 Service Pack 1 2007-11-19T00:00:00.000-08:00 2029-01-09T22:59:59.999-08:00
.NET Framework 3.0 2006-11-21T00:00:00.000-08:00 2011-07-12T22:59:59.999-08:00
.NET Framework 2.0 2006-02-17T00:00:00.000-08:00 2011-07-12T22:59:59.999-08:00


.NET Framework 3.5 Service Pack 1 (SP1) is a standalone product following the Fixed Policy, beginning with Windows 10 version 1809 and Windows Server 2019. Prior to this, .NET Framework 3.5 SP1 is considered a component of the Windows operating system on which it is installed.