: If you have a legitimate license and previously installed v16.3, you might find it under "Other versions" in the Creative Cloud Desktop app's "All apps" section. Can students with Indesign 17 download older versions?
If you need Adobe InDesign, the only secure methods are through Adobe's official website :
Adobe generally only provides downloads for the and the most recent previous version through the Creative Cloud Desktop app.
Downloading Adobe InDesign 2021 (v16.3) or other older versions for free from unofficial sources is not recommended, as these files often contain malware or security risks. Adobe does not provide free full versions of its software outside of official trials. Official Ways to Get Adobe InDesign