i want to be able to have atleast 2 chars running

1 as a shop and another as me leving is this possible with out 2 comps?

none of my other comps can handle this game sides my hdx

its possible nowadays i have 4-5 shops open at same time and 1 client for playing, all depends of ur pc
so running many clients is possible and whats more gamehi said its legal, im not sure about acclaim