Thx in advice.
linux mint
I researched this question for a laptop to sell on eBay. I tried Pop OS and Mint and choose Mint.
It seems that Mint may be the most popular distro for older Linux laptops sold on eBay.
That’s exactly what I did with my old Core2Duo laptop because I couldn’t in good conscience sell it with factory-loaded Win-Vista LOL.
If somebody with knowhow gets it, they can put whatever they want on it. If someone without? They get a solid OS that gets security updates. Win-win.
More specifically, Linux Mint Debian Edition. Canonical has been very weird, I would get the debian based branch