Adobe InDesign 2021 is part of the subscription model. While a perpetual "free" license does not officially exist, you can access the full version through legitimate trial periods. How to Get a Free Trial
: Some users select the business plan to access an extended 14-day free trial . Adobe InDesign 2021 for Mac Free Download
You can download a clean, official version by following these steps: Adobe InDesign 2021 is part of the subscription model
The 2021 version (v16) introduced several workflow-changing features: Adobe InDesign 2021 for Mac Free Download
: You must create an Adobe account and provide payment information. You will not be charged if you cancel before the trial period ends.