Are you dealing with a version of Windows 7?
. While modern versions of Windows come with .NET pre-installed, Windows 7 often requires a manual update to run specific applications. offline installer microsoft net framework 4.5 offline installer for windows 7
While the .NET Framework 4.5 offline installer is a vital utility for maintaining legacy software on Windows 7, its usage should be limited strictly to scenarios where newer frameworks (4.6.2 through 4.8) are incompatible with specific legacy hardware or software constraints. For general system maintenance, upgrading to .NET Framework 4.8 is the superior and safer choice. Are you dealing with a version of Windows 7