How do I install two TurboTax Desktop products on one computer under one TT account?

We have used our 5 files under the Home & Business product license and now want to activate the second TT Deluxe product to finish off 2 simpler filings.  I have both products under my TT account.  When I try to install Deluxe, it steps through buy actually is pulling up as the Home & Business product, so I don't think I can efile the last two.