Throw it away. It cannot see modern drives.
I tested both on three machines: A 2010 Dell Latitude (Legacy BIOS), a 2018 HP EliteBook (UEFI), and a 2024 Custom Ryzen build (NVMe + Secure Boot). Hiren Boot Cd Vs Falcon 4
For nearly everyone today, Hiren’s Boot CD PE is the clear winner – it’s alive, well, and runs on modern machines. Falcon 4 is a museum piece, though it still holds nostalgic value for long‑time techs. Throw it away
Keep both on a single multi-boot USB (using Ventoy). Use Hiren’s for 80% of diagnostics. When Hiren’s fails to reset a password or recover a specific file format, boot Falcon Four. For nearly everyone today, Hiren’s Boot CD PE
This article dives deep into the history, feature sets, strengths, and weaknesses of the Hiren’s BootCD vs. Falcon Four debate.
Registry Restore Wizard – Falcon Four allows you to load the registry hives of a dead Windows installation and tweak services, drivers, and startup entries in a way Hiren’s cannot.
For specialized IT troubleshooting, Hiren's BootCD (HBCD) FalconFour's Ultimate Boot CD (F4UBCD)