A Creative Cloud Individual membership provides access to the current and previous major releases of the desktop applications included with the membership.
The Creative Cloud desktop application can install older versions of Adobe applications by following the steps listed at https://helpx.adobe.com/download-install/using/install-previous-version.html. The Other versions feature allows access to significant feature releases and older applications to help maximize compatibility with third-party plug-ins, add-ons, extensions, and creative workflows.
For more information on the availability of Adobe Creative Cloud applications for download and installation, see the following:
If you are a Creative Cloud for Team or Enterprise member or are using your Adobe desktop applications as part of an organization, then please contact your organization's Creative Cloud plan administrator for assistance. Organizations can create and distribute their own installation packages internally.