Unavailable due to Adobe's trial and license expiration errors
It is possible that you are logged in with an account that is not a university account and you are in a trial version.
In the Center for Science Information website, you can find instructions on how to confirm that you have logged into Adobe ETLA correctly.
【How to make sure you are logged in correctly in Adobe ETLA】
https://web.sic.shibaura-it.ac.jp/faqs/faq_questions/view/74/8a48e9cab1a63fcf8a4a1297bb4e6b5d?frame_id=163
If you are unable to log in properly after the above confirmation, please refer to the installation guide at the following URL and try to install again.
【Adobe ETLA】
https://web.sic.shibaura-it.ac.jp/AdobeETLA2021
If you have followed the above steps and are still having problems with the trial version even though you have successfully logged in, please refer to the following URL.
https://helpx.adobe.com/jp/enterprise/kb/resolve-trial-and-license-expired-errors.html