so you advice me to use 64 bit? I suppose to ask bout it, I am using the mesh as default i did not change anything but my computer got hot in place of CPU and RAM, may be I have problem with my design? please let me know, my computer is windows 8.1, 6 GB ram DDR 3, core i3 (Intel) first generation. my windows is 6 4bit as well. 🙁