Keep this offline installer on a USB stick. If you ever reformat your Windows 7 PC, you will have the framework ready to go without hunting across the internet again.
The offline installer will analyze your system, verify pre-existing .NET versions, and begin writing new files. This process usually takes between 5 to 15 minutes depending on your hard drive speed (SSD vs. HDD). Step 5: Finalize and Restart net framework 4.7.2 windows 7 64 bit offline installer
Microsoft Download Center – Select the "Offline installer" under the Runtime section. Prerequisites for Windows 7 Keep this offline installer on a USB stick