Tidal Troubles

I have used computers for 30-plus years but am not a tech-oriented person. My partner and I want to get set up for high-resolution audio, however, and are hoping to use the Tidal service for better-than-CD-quality streaming. (We mainly listen to vinyl because, to us, CDs sound flat.) We have a Sherwood stereo integrated amplifier from the 1980s, along with big, beautiful, fantastic-sounding speakers and we don’t want to give those up. I’ve tried researching the huge range of available tech options—as well as the