yeah thats what I have as well. Its enough but in 2 years you'll probably want a little more. At least 32 gb ram for a little more serious work.
So proud of you Alina!!!!!!
Vinícius Cortez has released his procedural hair generator created in Substance. The pack will save you tons of time, so check it out!
Import it into Game Engines that support Substance from Allegorithmic.
Or export the maps using Substance Player (free).
Important: Make sure that the Hair Cards of your model has thin tips.
The pack includes a .sbsar file (no 3D mesh).