I am using dell inspiron 15 3521 notebook, it is wonderful notebook. You can use it for study, business, gaming and many more uses of its. Wonderful performance and great, smooth touchpad, battery power is good one, best is prize, intel inside, i3 processor with 4GB Ram and 500GB HDD.
I am using Windows 10 in it, running smoothly. No issues, best drivers installs automatically, best brand- DELL. Easy to use.