Because official support ended with Windows 10 version 2004, most users now use third-party software to enable "Windows To Go" functionality on any standard Windows 10 or 11 ISO. Windows To Go: feature overview - Microsoft Learn

Buying a "Windows To Go" drive today is different than it was a few years ago because Microsoft officially the feature in 2019. While you can no longer buy an "off-the-shelf" certified drive directly from Microsoft, you can still purchase specialized hardware or use software tools to create your own portable Windows environment. 1. Can You Still Buy "Certified" Drives?

: Third-party sellers on platforms like eBay and Amazon sell pre-configured USB drives labeled as "Portable Windows Workstations". Note: These often require your own product key for activation.

: Integrated SSD technology into a USB 3.0 drive.

: The best modern way to "buy" a Windows To Go experience is to purchase a high-speed external SSD (like the Samsung T-series or SanDisk Extreme) and create the drive yourself using a tool like Rufus. 3. Creating Your Own (The Current Standard)

Since the official feature is gone, the market has shifted toward two main alternatives: