Source and how-to-setup for recent Native Instruments software? - eviltoast

For the uninitiated, this is software for music and it’s notoriously complicated. I have a paid version from about a decade ago and I’m not giving them anymore of my money. Reddit used to have a vsttorrents guide for this, but it’s been forcibly removed. I’m trying to get Komplete 15 Ultimate, with all the added stuff I’ll probably never even look at