Ref: https://www.reallusion.com/downloader/
Use the Universal Installer (Install.RLD) to apply content to the latest FULL version program like iClone 7/6 (Character Creator 3/2/1), CrazyTalk 8 or Cartoon/CrazyTalk Animator 4/3/2.
Whereas to apply content to legacy tool like CrazyTalk 7, CrazyTalk Animator 1 or iClone 4/previous version, ONLY select the old format Windows/Mac installer to download and install the content.
If you only own iClone 5, then after confirming the program compatibility, you may download and setup the Content Downloader program once;
whereas if you purchased the Mac program (CrazyTalk 8 or Cartoon/CrazyTalk Animator 4/3/2) from App Store, then please download and setup the Content Downloader program once, to install the Universal Installer (Install.RLD).
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Steps to execute Universal Installer (aka Content Downloader): -
1) Choose where to install your content, if you have more than one Reallusion program installed.
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2) For the first time, run the Installcontent.rlcontent, the Universal Installer will then prompt you for a Member Login verification.
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3) Once the installation is completed, see the "View Detail" to know content's whereabouts and "Save Log" to view it later.
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Universal Installer demo video: -
http://youtu.be/3Ose6L26UiE
Though there are some old terms in the demo video, the operation behavior is the same.