The PC I was using in the late 90s had probably 32 MB of RAM after an upgrade... when I built a PC (2001?) with 512 MB it was looking like an infinite amount of RAM...
I remember just laughing when I heard that Adobe had fixed a bug that occurred when running Photoshop in more than 1GB RAM on Mac OS 9. It seemed like such a theoretical thing to have that much memory.
Zoom alone takes 2.4GB of RAM, just after being launched and starting a meeting - and no-one's even joined the meeting yet.