Until TurboTax makes the retirement section available in step-by-step mode, your only option is to make Form 1099-R entries in forms mode of the CD/download version of TurboTax. Since using forms mode to make entries invalidates TurboTax's accuracy warranty for the area where you make these entries, you'll only want to do this in the file with your simulated tax return. When preparing your real tax return you'll want to start fresh with a new file.
Be aware that 2020 TurboTax does not yet support Form 8915-E for reporting Coronavirus-Related Distributions.
