hi guys, im new here. i just wanna ask one thing. i have this file : en_windows_8_1_pro_vl_x64_dvd_2971948 that i downloaded before MD4: 3f60eaf353d46ad73e1901c77a43a091MD5: f9ac831f06a760c722df0df34f1b9397 SHA-1: cfcdf895679a5116f7f1c6406c20f99a1f850e49 i would to check whether the hash number is legit or not. but from microsoft website, i can only find below version File Name:en_windows_8.1_pro_vl_with_update_x64_dvd_6050880.iso Languages:English SHA1:962A1D890987B5877469433928B8C8B8A3E945CD do i need to donwload this new one update or can i just use my old windows 8 file and install it? thanks for ur help.