Windows configuration for after effects

Hi, all I have been meaning to get started with AE for a while now but my current laptop won't support it( i5, NVIDIA MX150, 1 TB, 8 GB RAM). I was seeking to get some help a new system, I have heard more pros over a desktop due to their longevity. I want to know what minimum configuration is required for adobe after effects( including 3d animation) along with illustrator, dimension to work on it. I am already faacing a lot of speed issues in my laptop, so I need someething that works smoothly doesn't hang and what would be a must included configuration for after effects? Also my budget is of i7 not i9, will that be a problem?