Hp and vram

AMD graphics card: Radeon R5 Carrizo 512mb

Laptop:Hp ba051wm

Operating System: Windows 10 64 bit

Display: Default hp screen

Motherboard: Unknown

APU: A10 9600p 7th generation

Power supply: N/a


when i search up my laptop on hp.com and they say that the graphics card is up to 4.25 gb, how can i togglr that, how can i raise my vram to 4.25 or 2 gb ?????????????????????????