Syntronik Deluxe will NOT Authorize on macOS Big Sur 11.4 no matter what directory structure I use. I get: 'Selected sound is not authorized. Please launch the Authorization Manager and insert the product serial number to authorize'. Well I have done this over and over to no avail. My sound libraries are on an external drive and I am indeed pointing the software to the correct directory. It sees all the sounds, it just will not authorize them. I have noticed doing a Google that many people are complaining of this same issue and IK does nothing to help. Please help! Right now this software is worthless to me. Oh, and the original installers for the sound libraries will NOT even install on Big Sur. I get the following: 'Install Syntronik Sound Content quit unexpectedly'. Not looking good here, IK...

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That's because you're installing manually, not with IK Product Manager and Authorization Manager is not discontinued and is part of the manual installation process. You might want to work with IK Support and get IK Product Manager working and you won't need to use Authorization Manager at all. This can be expanded upon either through individual gear or full collections like AmpliTube 4 using a serial number or the Custom Shop. For users who own other collections of AmpliTube, like AmpliTube 4 for example. Make sure for first time use to open the Authorization Manager and insert your new product serial number.