Not officially. Portable tools like or Registry Workshop exist, but they are third-party and not Microsoft-supported. The built-in regedit.exe is not designed to run portably from USB drives.
How to Modify the Windows Registry. - Microsoft Community Hub windows registry editor version 5.00 download
By following this guide, you should be able to download and install Windows Registry Editor version 5.00. However, we recommend exercising caution and following best practices when editing the registry to avoid system instability or crashes. Not officially
| What you need | What to do | | :--- | :--- | | | Already in Windows – Press Win+R , type regedit | | Open a .reg file | Double-click it (after inspecting in Notepad) | | Download Version 5.00 | No such download exists – it's just a file header | How to Modify the Windows Registry
This article will clarify what Version 5.00 means, why you do not need to download it from third-party sites, how to access it safely, and how to use it to edit, back up, and restore registry files ( .reg ).