You don't actually use a CD anymore. Here are the modern workflows:
Some rootkits block your antivirus. When you boot into Hiren’s, the malware isn't running because the host OS isn't loaded. You can run or Malwarebytes from within the PE environment to clean the infected drive externally. hiren cd iso
Hiren's BootCD (HBCD) is arguably the most legendary "emergency kit" in computer history. Whether you're a professional system administrator or a home user trying to rescue family photos from a crashed laptop, the is the gold standard for PC repair and diagnostics. You don't actually use a CD anymore
It booted into a menu that looked like it was designed in 1995 (because it was). You had to navigate using a keyboard, load USB drivers manually, and pray that your SATA controller was compatible. You can run or Malwarebytes from within the
The Undying Swiss Army Knife: Why Hiren’s BootCD ISO Still Belongs on Every Technician’s USB Drive