check that out, i did this with 16gigs ram, 2 core hyper threading to 4 cores running at 3ghz i7 cpu. My gpu is a 940m eith 2gigs of vram. Had no issues at allwith tjis setup for the apartment. But did suffer a lightmap crash about 3 times. Just restarted ue4 amd it worked. I think i was at the limit of the hardware with that apartment, i was getting the “texture pool over” message. I fuxed it by closing all my apps and just let uE use up every ounce of power. Lol. Sad, i need a workstation.