To create a W-2 you will have to be using the TurboTax Home & Business desktop edition or the TurboTax Premium online edition. You will need to upgrade your program.
See this TurboTax support FAQ for the Quick Employer Forms - https://ttlc.intuit.com/turbotax-support/en-us/help-article/tax-forms/create-w-2-1099-forms-employee...
To upgrade using the TurboTax desktop editions, click on Upgrade TurboTax on the bottom right of the desktop program screen.
To upgrade using the TurboTax online editions, click on Upgrade on the left side of the online program screen.
