When you launch Bootice, you see a simple window with disk selection at the top. of a better Bootice experience: Never touch "Process MBR" or "Process PBR" on your system disk (usually Disk 0) unless you have a recovery USB nearby.
: It can process disk image files (IMG, IMA, VHD, VHDX, VMDK) sector-by-sector without needing physical hardware.
BOOTICE is a portable tool—meaning it requires no installation—that acts as a low-level disk manipulation utility. It's often favored by system administrators, IT professionals, and advanced users because:
Many tech professionals and system administrators prefer BOOTICE over built-in operating system tools like Windows Disk Management or diskpart .
Unlike standard disk managers, BOOTICE allows you to explicitly choose, backup, and flash specific bootloaders (like Grub4DOS, Wee, Plop, or NT 5.x/6.x) directly to the MBR or PBR.
Mastering Bootice: A Better, In-Depth Manual for Partition and Boot Management
PBR exists on every partition and tells the computer which file to load next (e.g., bootmgr ). Click and select your drive. Click PBR button. Choose Windows NT 6.x/7.x (for Windows 7/8/10/11). Click Install/Configure . 3. Editing BCD (Boot Configuration Data)
Open BOOTICE and select the USB drive in the tab. Click "Parts Manage" (Partition Management). Click "Re-Partitioning" .
Easily backup the MBR or partition table before making changes.