Forms API is a set of classes which can be compiled under .NET Framework 4.0 or .NET Framework 2.0. See Set Up the Visual Studio Project Files and Set Build Configurations and Preprocessor Directives for compilation details.

Forms API may run on 32-bit or 64-bit Microsoft Windows operating systems:

• Windows 7
• Windows 8.1
• Windows 10       
• Windows Server 2008, 2008 R2
• Windows Server 2012, 2012 R2
• Windows Server 2016