(4) About "offline components" - ajay9634/Ajay-prefix GitHub Wiki
offline components
1.d3d and wrapper
Different old d3d and wrapper
2-codec(install only one)
Different codecs for different type games, MPC player codec is necessary
3-DirectX+netframework registry
You can install dx2010 setup after installing this.
4-dxnt x86 components(Parts of DX_2010_feb)
Different fixes for different games.
5-OpenAL and other files
Useful files and wrapper
6-VC redist(improve stability)
Necessary for all games
7-xaudio2_9 (fix sound in RDR)
Useful in RDR game and other games
8.xaudio (fix sound)
Necessary for most games like Skyrim etc