Finding a reliable for free is essential for tasks like fixing "OS not found" errors, resizing partitions when Windows is locked, or wiping drives before selling a PC. While many "free" tools restrict bootable features to paid versions, several top-tier options still offer this functionality at no cost. Best Free Bootable Disk Managers
The following tools allow you to create a bootable environment to manage partitions without booting into your primary operating system. GParted -- Live CD/USB/PXE/HD disk manager bootable usb free download