There is no definitive answer, as the process can vary depending on the state in which you are registering your startup. However, some general tips that may be helpful include:
-Researching what type of business entity is right for your startup. This will determine how you need to file with the state.
-Filing the appropriate paperwork with the state, which can generally be done online.
-Paying the filing fee, which is typically around $100.
-Ensuring that your startup meets all the requirements for registration in your state, which can vary depending on the business entity you have chosen.
For more specific information on registering a startup in USA, it is best to consult an attorney or accountant who is familiar with business law in your state.