Sorry for the delay in answering. Life was getting hectic.
1) Yes, I installed the scripts-update from Tiberian Technologies. And afterwards it initiated an update as well.
2) I installed through Origins and installed everything except the desktop icon.
3) I don't believe so, but I will admit I don't know for sure.
4) I seem to only have DirectX 12 active. How would I go about making sure those are active?
5) I haven't had any issues saying they don't have admin-privileges. How would I go about to make sure they do. I clicked on properties of all the .exes and it says they have all access. After trying to run one of the game.exe I did notice a new error pop up saying, "missing required file 'ssleay32.dll'" Would that be the issue?