WHAT ITUNES WORKS WITH MOJAVE IF YOU DELETE IT

i accidently deleted itunes stupidly, i cant download catalina because says my laptop is up to date with mojave. i NEED itunes but everyone i download after it installs says my system is too new for it?? im running macOS Mojave 10.14.6 macbook pro 13 inch early 2011, 2.7 GHz Intel Core i7, 8 GB 1600 MHz DDR3, Intel HD Graphics 3000 512 MB startup disk is mac ssd. PLEASE HELP IVE TRIED SOO MANY