thank you for the suggestions and thank you for the link to the ram I could buy. I know my computer is old. I got it from my aunt because my laptop screen died. So I thank you for your help.
maybe I can get the ram soon if not, I guess I'll just have to deal with the lag. I know other people are experiencing the same kind of lag so I know its not just my old computer and me lol.
thanks for the helpful suggestions