Installation 

The extension has to be installed like any other TYPO3 CMS extension. You can download and install it using one of the following methods.

Install the stable release
composer require 'fgtclb/academic-contacts4pages':'^3'
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  1. Switch to the module Admin Tools > Extensions.
  2. Switch to Get Extensions.
  3. Search for the extension key academic_contacts4pages.
  4. Import the extension from the repository.
  1. Get the current version from TER by downloading the ZIP version. Alternatively, get the ZIP from the GitHub Releases page.
  2. Switch to the module Admin Tools > Extensions.
  3. Enable Upload Extension.
  4. Select or drag the extension ZIP archive and upload the file.

Upgrading from version 1.x 

Version 1.x stored its plugin content elements under a content element type that 2.0.0 renamed. Run the upgrade wizard academicContacts4pages_pluginUpgradeWizard after the update, in Admin Tools > Upgrade > Upgrade Wizard or on the command line:

vendor/bin/typo3 upgrade:run academicContacts4pages_pluginUpgradeWizard
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It also gives every backend user group that was allowed the old type the permission for the new one. It is offered while a content element of version 1.x or a group with the old permission is left, also where the wizard an earlier 2.x release shipped for this purpose is marked as done. See Important: A new upgrade wizard migrates the plugins of version 1.x.