dotNetFx45_Full_x86_x64.exe /passive
: The most stable and updated version of the 4.5 family. dotnet 4.5 offline installer
If you are setting up a lab of computers or a small office network, downloading the framework repeatedly for 20 machines is a waste of bandwidth. Downloading the offline installer once to a USB drive or network share allows for rapid sequential installations. dotNetFx45_Full_x86_x64
Since Microsoft has shifted focus to .NET 4.8 and newer versions, finding the direct 4.5 link can be tricky. Here is the safe method: including the CLR
Once downloaded, the offline installer can be used to install .NET Framework 4.5 on a machine without an internet connection. The offline installer includes all the necessary components, including the CLR, FCL, and other supporting files.