You can install .Net 4.6.1 on Windows machines using the Management Utility

Download the .Net 4.6.1 all os silent installer file from Microsoft

Save the file in your shared apps folder NDP461-KB3102436-x86-x64-AllOS-ENU.exe

Create the third party template, select the exe and use silent installation parameters /q /norestart

**Please Note - If UAC Targets - select check box to Copy files locally to each target