That depends on what version you want to use them.
If you are using the Beta, put them in there.
Once the Beta ends, cut them and paste them to the original install, then uninstall the Beta by the recommended procedure.
Also, read the Beta installation on the addon content as quoted below.
“We recommend that those who wish to test with us ensure your sim content is located in a custom path before joining the flight to avoid full reinstallations in the future (Details on how to do this can be found [here.]) ([HOW-TO] Change the installation path of installed packages inc community folder)”