http://img75.imageshack.us/img75/2157/doom3pc3oa.jpg Part 1:http://www.megaupload.com/?d=T4U4CKZ7 Part 2:http://www.megaupload.com/?d=T9ZFRILO Part 3:http://www.megaupload.com/?d=5FQULZJJ
YOu will need winrar too to EXTRACT this games and here is link to download it :http://www.freedownloadscenter.com/Utilities/Compression_and_Zip_File_Utilities/WinRAR_Download.html