There are no public download links for 2020 offline installers. You need to contact support and ask them for the same, they will provide it. To contact support, login to your account and navigate to the URL below. Make sure that the browser has cookies enabled, and all script blockers are disabled. https://helpx.adobe.com/contact.html Click on the chat icon on the bottom right, and type AGENT to avoid bots and talk to a human. Also, be mindful of answering anyone who sends you a private message. See the following for more information about scammers https://tinyurl.com/y7cfrr7y -Manan
there have been mixed results reported. when 2023 was first released most users reported a problem. after a week, most users reported success - eventually. maybe it takes a "special" agent to be helpful. or maybe it's the reverse. but depending how important it is to you, either use an earlier version, later version or try again.
the current version and one prior -> cc desktop app
versions including cc 2019 and earlier -> prodesigntools.com*