I think you talked to the wrong rep. Try calling in to customer support again. Your license code allows you to install the software to any computer that you own. Since you do not have a disk drive on your Mac they should be able to push a download to you. You will need the download for a Mac. When you have a disk drive, the CD can be used for Windows or Mac, but when you do not have a disk drive, you need the download that is specific to your operating system.
To call TurboTax customer support
https://ttlc.intuit.com/questions/1899263-what-is-the-turbotax-phone-number
Customer support is available from 5 a.m. to 9 p.m. Pacific time daily
If they give you a hard time remind them of this:
1. Supplemental License Grant and Restrictions.
In addition to the license to Software in the Section A Terms, you may: (i) install and use a copy of the Software on up to five (5) computers owned by you (at home or at work); (ii) use the Software only to prepare, print and/or electronically file your federal 2021 tax year returns and related state tax returns for the applicable tax return year during which you purchased a license to use the Software as described below; (iii) make one backup copy of the Software for your personal use as permitted under this license grant.
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