Home insurance protects your new home and belongings from accidental damages. You will need to have this coverage in place before closing if you are using a lender as they will require this to protect their investment.
Make sure you insure your home with a plan that fits. Take a look here to see what is best for you and yours! https://kellercovered.com/
You can also insure with any insurance agent you already work with. You may even get a “bundle” discount if you get your vehicle and home insurance through the same company.