For those without the budget for commercial tools, several robust open-source digital forensic platforms are widely used in the industry:
A step-by-step, hands-on lab using freely available tools (Autopsy/Sleuth Kit, FTK Imager Lite, Guymager, dc3dd) to demonstrate equivalent forensic techniques: Encase Forensic V7 Crack.iso
Comparison of popular computer forensics tools [updated 2019] For those without the budget for commercial tools,