One option you have is using the following
Oracle VirtualBox
Source: Oracle Corporation (previously distributed by Sun)
https://www.virtualbox.org/This will allow you to install and run many versions of Windows or Linux. Note that you do need to have an installation disk for the operating system that you want to install.
step 1)
Download a windows xp ISO, usually found on piratebay or kickass torrents.
step 2)
Download and install Oracle Virtualbox.
step 3)
Go on youtube and look for a video on how to install windows xp on Oracle VB.
Step 4)
Download Aranock on your new windows XP install on oracle VB, now you can run it in a window and on windows XP.
To my knowledge that should fix it on windows 8.