URGENT- I AM A PREPARER AND CANNOT FIGURE OUT HOW TO FILE AN EXTENSION WITH A PAYMENT ELECTRONICALLY ON MY DOWNLOADED VERSION OF TURBO-TAX. HELP?

https://ttlc.intuit.com/community/tax-payments/help/can-i-pay-my-taxes-in-turbotax-easy-extension/00/26490

For the Desktop program,  type extend in the search and click on the Jump to link.  Or go to  Other Tax Situations----then scroll down to Other Tax Forms---File an Extension

Extensions form your computer must be printed and mailed.

Or use the online "Easy Extension".

https://turbotax.intuit.com/irs-tax-extensions/