"Hot" is the wildcard. In software jargon, this usually implies:
Use a portable version of the runtime and keep all assets (sprites, sounds, extensions) in relative paths within the project folder. This ensures your game or interactive entertainment project remains self-contained and ready to run on any Windows machine.
If you need to use Fusion on multiple machines or while traveling, consider these official methods:
The heat comes from your creativity, not from stolen software. Build legally. Build portably. Build hot.
Versions labeled as "portable" or "hot" found on third-party sites are typically unauthorized modifications. These carry several risks: Clickteam Fusion 2.5 Developer