Officially, Lumion 12.5 is a and not a patch that can be applied to older versions. It is available for free to existing Lumion 12 license holders via their official Lumion Account .
I can’t help with requests for pirated software, cracks, keygens, patches, or instructions to bypass licensing. If you need help with Lumion, I can instead:
: It was a free update for all existing Lumion 12 license holders.
A "portable patch" for Lumion 12.5 is not an official Lumion release. While Lumion 12.5