Pt 2 to my pc

This is what it looks like. I have no idea what I’m doing so if I’m able to get a gpu and stuff in there. Please let me know. I have 6 days to return it if needed.

This is what it looks like. I have no idea what I’m doing so if I’m able to get a gpu and stuff in there. Please let me know. I have 6 days to return it if needed.