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Move from trial version error

Is there any rule to move from a trial version to a valid licenced product?

I own a "Infragistics Ultimate 2019 Vol 2 (Electronic Download)" version but when I try to activate in a project whit Angular v 9.1.11 I get an error like this:

npm ERR! 404 Not Found - GET
npm ERR! 404
npm ERR! 404 '@infragistics/igniteui-angular@^9.1.1' is not in the npm registry.
npm ERR! 404 You should bug the author to publish it (or use the name yourself!)
npm ERR! 404 It was specified as a dependency of 'app4'
npm ERR! 404
npm ERR! 404 Note that you can also install from a
npm ERR! 404 tarball, folder, http url, or git url.

I am following the instructions on this link:

I read in this link, that my licence still under support