If you're not sure what to delete off your computer, I suggest you get an external storage device for your GB Studio projects.
you have to delete sys32 /j
How does your computer have 150MB of storage, brand new? You mean GB? It's impossible for modern Windows to work with less than half a gig left.
Did you… think GBStudio is 80GB? O_o
dude your attitude is shit just like the games you make ...