To install Microsoft .NET Framework 4.5 on Windows 7 without an active internet connection, you must download the official offline installer on a computer with internet access and transfer it via a USB drive.
For users with limited internet connectivity, or for IT administrators deploying software across multiple machines, the is the preferred solution. Unlike the web installer, the offline package contains all necessary components, allowing installation without an active internet connection. microsoft net framework 4.5 offline installer for windows 7
: Eliminates the risk of installation failures caused by dropped packets, proxy blocks, or interrupted server connections midway through setup. Technical Specifications and Prerequisites To install Microsoft