Last year I received forms that I could use to send in my taxes each quarter. How can I get them for 2019?

[JohnW15]

You can get them through TurboTax, for both federal and state.  Please see the FAQs below.

Can TurboTax calculate next year's federal estimated taxes?

https://ttlc.intuit.com/replies/4242911

Can TurboTax calculate the estimated payments for next year's state taxes?
https://ttlc.intuit.com/replies/3301735

You can also get them from irs.gov at 2019 Form 1040-ES.