So i Have AMD Radeon HD 5700 series and i didnt update it and i dont know how i need help
Install GPU-Z, use the 'Lookup' button & it should show exact model.
Then go to https://www.amd.com/en/support type the 57?? model in search, click it & then submit.
Have a read https://www.amd.com/en/support/kb/faq/gpu-56#faq-AMD-Product-Selector