The .NET Framework 4.6.1 can be installed on Windows 10, Windows 8.1, Windows 8, Windows 7 and the corresponding server platforms. You can use either the web installer or the offline installer based on your needs.
https://blogs.msdn.microsoft.com/dotnet/2015/11/30/net-framework-4-6-1-is-now-available/
.NET Framework 4.6.1 is now available! Updated (2017): See .NET Framework Releases to learn about newer releases. Updated (1/2016): This post was updated to add information about reference source for .NET Framework 4.6.1. Today we are announcing the availability of .NET Framework 4.6.1. You can download this release now.
https://blogs.msdn.microsoft.com/dotnet/2015/11/30/net-framework-4-6-1-is-now-available/
Date Published: 10/9/2012. File Size: 982 KB. The .NET Framework 4.5 is a highly compatible, in-place update to the .NET Framework 4. By using the .NET Framework 4.5 together with the C#, Visual Basic, or F# programming language, you can write Windows apps.
http://www.microsoft.com/en-us/download/details.aspx?id=30653
.NET Framework version history. Microsoft started development on the .NET Framework in the late 1990s originally under the name of Next Generation Windows Services (NGWS). By late 2001 the first beta versions of .NET 1.0 were released.
https://en.wikipedia.org/wiki/.NET_Framework_version_history
Microsoft .Net Framework has matured a lot over the past few years. New features and enhancements have been introduced aplenty to optimize it and make it fast, secure, more stable, and high performant. In this article I would like to present a bird’s-eye view of the significant improvements in .Net Framework 4.5.x.
http://www.infoworld.com/article/2879007/microsoft-net/new-features-and-enhancements-in-net-framework-45.html
What's New in the .NET Framework Version 2.0. The Microsoft .NET Framework version 2.0 extends the .NET Framework version 1.1 with new features, improvements to existing features, and enhancements to the documentation. This section provides information about some key additions and modifications.
https://msdn.microsoft.com/en-us/library/t357fb32(v=vs.80).aspx
Check .NET Framework Version in Windows 10. Latest Microsoft .NET Framework 4.6 is already part of Windows 10, you don’t need to install it, if try to do that, its installation will be blocked. However, you can install .NET 4.6 on Windows 7 and Windows 8.
http://techdows.com/2015/07/check-net-framework-version-in-windows-10.html
Update 1: For Windows 10 v1607 (anniversary Update), you’ll notice value of Release Dword for .NET Framework 4.6.2 as 394802, for other Windows versions it will be shown as 394806. Update 2: .NET Framework 4.7 is part of Windows 10 Creators Update. And the corresponding value of release Dword for .NET 4.7 is 460798.
http://techdows.com/2015/07/check-net-framework-version-in-windows-10.html
Since the first version, Microsoft has released nine more upgrades for .NET Framework, seven of which have been released along with a new version of Visual Studio. Two of these upgrades, .NET Framework 2.0 and 4.0, have upgraded Common Language Runtime (CLR). New versions of .NET Framework replace older versions when the CLR version is the same. The .NET Framework family also includes two versions for mobile or Embedded device use.
https://en.wikipedia.org/wiki/.NET_Framework_version_history
.NET Framework 4.5 is a highly compatible, in-place update to .NET Framework 4. The .NET Framework 4.5 is a highly compatible, in-place update to the .NET Framework 4. By using the .NET Framework 4.5 together with the C#, Visual Basic, or F# programming language, you can write Windows apps.
http://www.microsoft.com/en-us/download/details.aspx?id=30653
what is the latest .net framework
The latest of  .NET Framework is .NET Framework 4.6. The latest .net framework is .NET Framework 4.6. The latest .NET Framework is .NET Framework 4.6.