These are my system specs.
Operatin system:Window's 7 Premium 64 bit
Memory:81292 MB RAM
Processor:AMD A8-5500 APU with Radeon HD Graphics
Using Nexus Mod Manager 0.51.0 Beta version.
My copy of Fallout 3 is the GOTY version I got off steam. This is my first time trying to install this and I have no idea what's going on. If it matters,my computer can run both Fallout 3 and New Vegas just fine.