Help on how to design and simulate a split ring resonator with HFSS13

Hello all,I am new to hfss and I need to use it to design and simulate a single ring single split resonator operating between 6ghz and 14ghz;I have already done the geometry but how do I simulate it with hfss to test for different resonant frequencies of the resonator?Please I need a step by step guide,all help appreciated in advance.