If affordability is a concern, contact Faronics directly. As their official blog states, "We would much rather see you use Deep Freeze legally and promote it everywhere, than be infested with malware and spyware".
Q: Can I use Deep Freeze Standard Edition 7.51.020.4170 for personal use? A: Yes, Deep Freeze Standard Edition 7.51.020.4170 can be used for personal use, as well as for business purposes. deep freeze standard edition 7.51.020.4170 incl. license key
Deep Freeze protects the operating system, registry, and data files by preserving a computer's original state. Any changes are discarded upon reboot, ensuring the system remains secure and unaltered. If affordability is a concern, contact Faronics directly
Are you setting this up for a or a network of computers ? If affordability is a concern