Hi, i filed my taxes and chose the option to 'pay later.' now i am ready to pay but cannot find an option or the 'how to' do so. how do i pay via turbo tax?

Please read FAQ on paying federal taxes, if you already filed your return with the IRS, visit www.irs.gov/Payments and choose a payment option instead of trying to pay through TurboTax.
https://ttlc.intuit.com/replies/3302458