depends on what you use your computer for. for video editing, you propably should learn davinci resolve sind adobe doesnt work, which could take a while. For me, i use my pc for software development and gaming, and the switch was practically "instant", anf i have been using arch (btw) for half a year now. it took maybe a week to get used to the terminal and after then it has been getting better and better. i suppose the "getting used to it" period is faster on something like mint