You should still be able to install the TurboTax software for 2023 on both a Windows and Mac computer that you own with the CD provided.
See this TurboTax support FAQ for installing the software and click on How to switch between Mac and PC/Windows with a CD or download - https://ttlc.intuit.com/turbotax-support/en-us/help-article/product-delivery/download-software-turbo...
