You have several options, typically you can try installing the software on your Win 7 machine, see if they run. If that doesn't work try running them in compatibility mode(setting a known good OS version) or using the compatibility wizard. Depending on the game and software developer you may also need to run as Admin. Alternatively if these built in options don't work you can install a virtual machine such as Virtual Box and install Win XP in the virtual machine. Hope this helps.