Dic: go about

1. PHRASAL VERB
The way you go about a task or problem is the way you approach it and deal with it.

• I want him back, but I just don't know how to go about it.

2. PHRASAL VERB
When you are going about your normal activities, you are doing them.

• We were simply going about our business when we were pounced upon by these police officers.

3. PHRASAL VERB
If you go about in a particular way, you behave or dress in that way, often as part of your normal life.

• He used to go about in a black cape.
• He went about looking ill and unhappy.
• = go around

....... Cobuild

to approach the doing of something in a particular way.

• How should I go about researching this topic? Would you tell me how to go about it?

..... http://idioms.thefreedictionary.com/go+about