Fixing "Please set registry key HKLM \ Software \ Microsoft \ .NETFramework \ InstallRoot to point to the .NET Framework install location" error on a 64 -bit Windows PC
Offline install of .NET Framework 3.5 in Windows 10 using DISM
Download .NET Framework 4.8 | Free official downloads
NET Framework 4.0 Download/Install for Windows [32-bit & 64-bit]