Step 1- Extract Windows 8.1 Pro ISO file.
Step 2- Burn Windows 8.1 DVD or make Bootable USB.
Step 3- Install Windows 8.1 Pro and use one one the keys in “keys.txt”.
Step 4- After Installation finishes. Start your computer.
Step 5- Open “Windows 8.1-Crack.exe” and install it.
Step 6- Done!! Enjoy Windows 8.1 full version.