that's because it does so much less
I would reco getting a better computer. Re-learning cad sw is not conducive to getting things done.
Especially not if you are going backwards at the same time.
I am coming off of CATIA. It's all I can do to muster up enough will-power to re-learn something so much less capable like F360.
On the other hand, I cannot even remotely, in my wildest dreams, afford a CATIA seat. So Fusion 360 here I come - albeit slowly, kicking, screaming, and whining, and otherwise acting out like a big spoiled baby (as in this post).