I filed my Federal and State income tax. I opened a business in June of 2018, and I need to file for that. How do I file for a business?

[LinaJ2018]

If you are referring to a corporation type of business, like C-corp, S-corp or partnership.  You would need a separate TurboTax product to file your business return.  See https://turbotax.intuit.com/small-business-taxes/

If you are referring to a self-employed business, you might need to amend if you have already filed-

• Wait until your return is either rejected or approved.  
• If it's rejected, you can return to the program to add the new information while fixing the error. 
• If your return is approved, To amend, please click here 2018 Amend.  Please wait until your return is fully processed and you have received your refund or your payment has cleared.