File: w_8.1_x86.iso CRC-32: 95066cd5
MD4: 2701f4056bd046ad07e154dfdfbaceec
MD5: 7cc2418bbf1f059191846b7ff108c139
SHA-1: 8d8dd0fd60537e85931ae4628e740efd3af52671
File: w_8.1_x64.iso CRC-32: efda8783
MD4: b7125b527ecb4efd41df86e297484bc9
MD5: a84412aa7e3ad11b4c45a409b8461269
SHA-1: fd2e45aaa3425d1daade87bfac00abf169d39239