Hi, I use the USB key and downloaded the USB key version but there's no reg spot to enter.
OS 10.15.7 Catalina 2017 MacPro, 32g Ram ,AMD FirePro D700 6144 MB. Isadora v3.08 Los Angeles CA
It has moved. Check the release notes :)
Troikatronix Technical Support
Running: Win 10 64bit, i7-8750H, M.2 PCIe SSD's, 16gb DDR4-2666, nVidia GTX 1070 | located in Ontario Canada.