You cannot buy a new perpetual license for Enscape 3.2. If you did not buy it before the cutoff, you cannot get a legitimate key for that specific version. The only legal way to run Enscape 3.2 (specifically) is if you have an old perpetual license key from 2021.
: Tied to a single machine; ideal for individual users. enscape 3.2 license key
If you need the features of Enscape 3.2 (real-time rendering, DLSS, panorama exporting), you have two legitimate paths. You cannot buy a new perpetual license for Enscape 3