This software motion tracking software for animations, VFX, and games, is available as a non-commercial option. I'd recommend trying PC Inspector File Recovery only if another, higher rated data recovery program didn't do the job for you. PC Inspector File Recovery can recover files from most hard drives, external drives, and memory cards. It would probably work in most cases, but expect problems. Kckrug1994 asked the Answer Line Forum if a game or application would will work if installed onto an external drive. Piriform's Defraggler tool is easily the best free defrag software program out there. 14 Free Defrag Software Tools Reviews of the best free disk defragmenter programs for Windows. Free defrag software will defragment your hard drive, helping to speed up your PC. My hard drive is filling up fast, and I was hoping I could use an external hard drive and Boot Camp to run Windows for my games, thus freeing up most of my hard drive. I use my mid-2012 11' MacBook Air for gaming and school work. If you just need to recover files from a drive, 10 days is plenty of time to install this file system driver, copy your files over, and uninstall it. This application does cost $20, but it also offers a 10-day free trial. Any Windows program can read from or write to the Mac drive.