Name the folder FrostyPortable – do not use spaces.
When running 1.0.7.0, you are gaining access to several elite-tier tools custom-tuned for the Frostbite engine: Frosty Editor Tutorial #50: How to Install Plugins frosty mod manager 1070 portable
There is often confusion regarding what "Portable" means for this specific tool. Frosty Mod Manager does not have an official "Portable.zip" release on the main GitHub page in the same that tools like 7-Zip or Notepad++ do. However, you can easily make it portable. Name the folder FrostyPortable – do not use spaces