Navigate to and ensure it is checked. This allows the drive to bypass modern Windows 10/11 digital signature enforcement without disabling Secure Boot in the BIOS. Step 3: Initialize Ventoy Select your external HDD from the device dropdown list. Click Install .
YUMI by Pendrivelinux is a classic choice that remains highly reliable. In 2021, YUMI offers two distinct versions: YUMI exFAT (which supports files larger than 4GB and uses a grub2 bootloader) and YUMI UEFI.
Legacy BIOS → MBR (GRUB2) → core.img → grub.cfg on NTFS/ext4 UEFI → BOOTX64.EFI (rEFInd) → scans ESP, NTFS, ext4 → chainloads Windows/Linux kernels multiboot hdd 2021 final updated
Download the latest Windows zip version from Ventoy's official site.
Excellent fallback for older hardware; built-in download links for popular distros. Navigate to and ensure it is checked
Supports both Legacy BIOS and UEFI, including Secure Boot.
Install Ventoy to your HDD once. It creates two partitions: one for booting, and one for files. You just copy your Windows 10, 11, Ubuntu, or Hirens Boot ISO files to the data partition. Click Install
By 2021, three tools emerged as the gold standard. Here are their final, most stable iterations:
: A classic tool particularly effective at handling multiple Windows installers on one drive. Technical Setup Checklist Dual Boot Linux & Windows 11 (Step-by-Step Guide)
Some popular multiboot HDD configurations include:
A highly regarded alternative rescue disk featuring an extensive array of updated backup, partitioning, and engineering tools. 4. Specialized Diagnostic and Imaging Tools