Karaoke

[dillon]

What is the best basic / easiest karaoke download, for a beginner, with key change and record function

[Buenchico]

I'm definitely out of my depth here but, since nobody else has replied, I've been trying to find a review site that I trust (rather than one of the multitude that are simply trying to promote specific softeare) which might be of help to you. The Geek Page is one such site, so see if anything here looks suitable for your needs:
https://thegeekpage.com/17-best-free-karaoke-software-for-your-pc/

[Mozz71]

If it's just for your own enjoyment, Smule Sing is good fun. Bit expensive to download the full app, but you get planty from it as a guest.