The drive is now bootable.

Installing Windows 10 from an external hard drive (HDD/SSD) is essentially the same as using a standard USB flash drive, but it offers significantly faster speeds—especially if using an external SSD . This method is ideal for users without a 16GB+ thumb drive or those who want a more reliable installation medium. Reddit +2 The Verdict: Is It Worth It? Pros: Much faster installation times compared to standard flash drives; useful for "Windows To Go" (running a portable OS directly from the drive). Cons: The setup process

The official Windows Media Creation Tool typically only writes to USB flash drives. To force it to recognize an external HDD:

Here is the step-by-step guide.

Install Windows 10 From External Hard Drive ●

The drive is now bootable.

Installing Windows 10 from an external hard drive (HDD/SSD) is essentially the same as using a standard USB flash drive, but it offers significantly faster speeds—especially if using an external SSD . This method is ideal for users without a 16GB+ thumb drive or those who want a more reliable installation medium. Reddit +2 The Verdict: Is It Worth It? Pros: Much faster installation times compared to standard flash drives; useful for "Windows To Go" (running a portable OS directly from the drive). Cons: The setup process

The official Windows Media Creation Tool typically only writes to USB flash drives. To force it to recognize an external HDD:

Here is the step-by-step guide.