Linux Mint, and then install KDE desktop over that. Both Neon and Plasma are great. Much easier to install software afterwards (but it's also loaded with a bunch), no real need to learn command line stuff or use or flatplak. 

nostr:note1m3g836s8y5p39tn86d0s8wudgjtl60hedcrna66733nfkekdjvqsusv2jj