Grab the CAB from a Windows ISO, run the single DISM command above, and move on with your day.
Suddenly, the screen flickered. Kael was already inside, his "payment" manifesting as a swarm of deletion scripts eating Elias's personal archives. [======================== 78.0% ] microsoftwindowsnetfx3ondemandpackagecab extra free
Before you go searching for shady third-party download links, you likely already own the file. It is included on every (USB or ISO). Mount your Windows ISO or insert your Windows USB drive. Navigate to the sources\sxs folder. Grab the CAB from a Windows ISO, run
& "C:\Windows\System32\expand.exe" Microsoft-Windows-NetFx3-OnDemand-Package.cab -F:* C:\NetFx3Extracted run the single DISM command above