To upgrade your version of TurboTax Online:
- Make sure you're signed into TurboTax and have opened your return.
- If you haven't already, complete the intro questions until the menu appears.
- Select Upgrade from the menu.
- Select the Do it yourself or Real Experts Help or do it for you tabs to see your options.
See this help article for more information.
If you have followed all of the steps and are still having trouble, see this help article and this one for instructions on how to contact TurboTax customer support depending on which product you are using.