if you download minecraft pc you need this system requirement
intel Core i3-3210 / AMD A8-7600 APU or equivalent
RAM:
4 GB (2GB free)
GPU:
Integrated: Intel HD Graphics 4000 (Ivy Bridge) or AMD Radeon R5 series (Kaveri line) with OpenGL 4.41 Discrete: Nvidia GeForce 400 Series or AMD Radeon HD 7000 series with OpenGL 4.4
OS:
Windows 7 or later, OS X 10.9 Maverick, Linux: Any distribution from 2014 or later
STO:
~180 MB for program data, though worlds can drastically increase this amount. 1 GB should be enough for a normal amount of maps, resource packs, etc
in mobile you need 1 gb ram only 500mb memory
