Adobe does not recommend using any version of the Creative Cloud app other than the latest two versions of the software. Is there any specific reason you want CC2017 when we are already into release of CC2020. A later version update is included in your subscription and also comes with bug fixes and other goodies. However if you still need CC2017, you can try your luck at the download links given in the link below
Hello evry one,
Houston we,ve got a problem...
I've got the same need to use a special plugin witch is only working on these version of indesign. IT'S VERY IMPORTANT TO me. Have you got a downloadable link?
Thank you for your help
Check the website I linked in the previous post.