I downloaded turbo tax home and business. I need to prepare multiple returns. I am a CPA. Should I have downloaded something else?

I am a CPA and I need turbo tax to prepare returns for multiple clients. 

Get your taxes done using TurboTax

You are asking from TT Business, which is different from Home and Business. But neither is licensed for paid tax preparers. Please see below.

Get your taxes done using TurboTax

If you are a paid tax preparer then you cannot use ANY of the Turbo Tax programs ... you must use a professional program. 


https://ttlc.intuit.com/replies/3301962

Get your taxes done using TurboTax

Intuit (the company that makes TurboTax) has three tax software product lines for paid preparers: ProSeries, Lacerte, and Intuit Tax Online. Here are links to their web sites.

http://proseries.intuit.com
http://lacerte.intuit.com
http://accountants.intuit.com/tax/online/

For a new preparer just starting out, ProSeries Basic is probably the most suitable.

And to prepare more than five e-files, you will need to sign up with the IRS as an ERO - an Electronic Returns Originator.  How to become an Authorized E-file Provider…..
http://www.irs.gov/Tax-Professionals/e-File-Providers-&-Partners/Become-an-Authorized-e-file-Provide... 

FAQ for Tax Preparer Requirements
http://www.irs.gov/Tax-Professionals/Requirements-for-Tax-Return-Preparers:-Frequently-Asked-Questio... 

Do you need a PTIN (Preparer Tax Identification Number)?
http://www.irs.gov/Tax-Professionals/Frequently-Asked-Questions:-Do-I-Need-a-PTIN%3F