Need New Workspace

Hello , my name is Denis and im from Bulgaria! Im 18 years old and this year im finishing school and going to study in Technical university of Varna and i will need good computer to do work on it , the one i got now is really old and can't handle any hard work like rendering .My parents are divoreced and im living with my grandmother because my mom works in Italy to collect some money because there she gets more money than here in Bulgaria.If someone can help with something even a dollar it means a lot to me!