If you purchased a 2nd hand unit then you do not get them. Software will need to be transferred to you from the original owner.
https://support.presonus.com/hc/en-us/articles/208606936-PreSonus-Software-License-Transfer-
If its new purchase then please log a support ticket for help.
https://support.presonus.com/hc/en-us/articles/210050813-How-to-create-a-new-Support-Request-