Can I prepare my claim?

Yes, you can. Be prepared to document all aspects of your loss, try to understand the insurance policy you purchased, and follow through with the agent and the company. However, if your loss is significant (more than $10,000) you should consider hiring your own insurance professional, public adjuster to make sure you are properly represented. Remember, the insurance company has their own insurance professional expert representing them. Shouldn't you have professional representation too?