www.themindfulcounselor.me/blog/do-you-have-to-clear-your-mind-to-meditate
https://www.themindfulcounselor.me/blog/do-you-have-to-sit-cross-legged-to-meditate
Ditch what you've been told about sitting crossed legged for twenty minutes and trying for a "blank mind." That sentence alone was dreamed up by someone whose brain has only barely a few tabs running at once.