Deep Freeze is most commonly employed in public-access environments such as:

What (Windows 10, 7, etc.) are you installing this on?

:

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.

Users should always ensure they are using legitimate licenses. Using "cracked" versions or unauthorized keys from third-party sites can expose your system to the very malware that Deep Freeze is designed to prevent. System Requirements for v7.51 Operating System: Windows XP/Vista/7 (32-bit and 64-bit).

If someone offers a “license key” for v7.51.020.4170, it is almost certainly: