What if i dont have my taxt return from last year how do i get my agi?

If you did not file a 2017 tax return then enter a 0 (zero) for the 2017 AGI

The IRS requires your AGI for identity verification.

Please review the following TurboTax FAQ on locating your previous year's AGI:

https://ttlc.intuit.com/replies/3301618