Solus 4.8 / Linux setup, Nvidia drivers and Elgato Wave 3

I decided to switch back to Linux as my main/daily OS on my desktop system. Since I had been using Solus a few years ago on my desktop system and have been using it on a spare laptop for many years, I went with that (Solus Budgie, to be precise). Things that didn't work right away: The Solus 4.8 installation/boot procedure Nvidia graphics drivers Elgato Wave 3 microphone Regarding the Solus 4.8…