edit: βρήκα το παρακάτω, θα επανέλθω αφού το δοκιμάσω
https://www.steinberg.net/en/support/knowledgebase_new/show_details/kb_show/soft-elicenser-sel-faq.html#reactivation
What is the detailed procedure for a reactivation?
This is a general step-by-step guide:
Log in to your MySteinberg account
If you do not have an account yet, please visit the page to create one.
On the “My Products” page, make sure the “Software” view is selected.
Click on the entry of the software you need to reactivate.
In case the product has never been registered before and the option is missing, please first register it using the “Add new software” option and use the old activation code to register. Then continue with this guide
In the expanded view, click on “Software reactivation”
Enter the new Soft-eLicenser number that has been created on your new system. The number is displayed by the eLicenser Control Center which can be found in the "Program Files" (Windows) or "Applications" (Mac) folder on your computer.
Click on "Reactivate".
The new activation code will be displayed and also be sent to you by email.
Click on the green "Enter Activation Code" button in the eLicenser Control Center to enter or paste your code.
Click on "Continue" and then on "Download License".
