Mod Order and SCS Help

All for BG2
1. Alternatives
2. Angelo
3. Auren
4. Banter Packs
5. Dungeoun Be Gone
6. Kelsey
7. NPC Strongholds
8. Quest Pack
9. Unfinished Business
10. Xan
11. Wheels of Prophecy
12. SCS

I also have trouble installing the initial required part of SCS. I have been directed to a hotfix but I don't know what to do with it.