: Plug your USB drive into your PC. Note that this process will erase all data on the drive. Launch Rufus : Open the Rufus portable edition or installer.

How to Make Hiren’s Boot USB with Rufus Step by Step Guide

A "Fixed" ISO often implies that the stale programs within the CD have been replaced or updated. In the original 15.1, the antivirus tools (like Malwarebytes or the included Kaspersky tool) were years out of date, rendering them useless against modern threats. The 15.4 Fixed iterations often clean out "bloatware" or trial software that no longer works and update the core tools to recognize modern file systems and threats.

Better detection for SATA/AHCI controllers, making it easier to see hard drives on machines from the mid-2010s. Mini Windows XP Tweaks:

If you need a specific legacy tool from the old 15.x release, try running it in a sandboxed VM — but even then, proceed with extreme caution.

Keep Hiren 15.4 Fixed on a small 2GB USB stick in your car glovebox. For everything else, use Hiren’s Boot CD PE (the new 64-bit version) .