Check the file version. For .NET 4.5, the CLR version is typically 4.0.30319.17929 or higher.
Microsoft .NET Framework 4.5 is a Windows software framework that provides a large class library and runtime (CLR) for building and running managed applications—desktop, web, services, and more. The offline installer is a standalone package that contains all files required for installation without an internet connection, useful for air-gapped systems, bulk deployments, or environments with restricted bandwidth. microsoft net framework 4.5 offline installer
Elias plugged the USB drive into the air-gapped management terminal. He navigated to the executable. It was a hefty file—over 200 megabytes of pure, compressed logic. The Web Installer would have been a tiny seed, but this... this was the entire tree. Check the file version
subkey exists, .NET 4.5 or a newer version is present on your system. Microsoft Learn Important Support Note Versions 4.5, 4.5.1, 4.6, and 4.6.1 reached their End of Support The offline installer is a standalone package that