Malwarebytes is there and then.....
"To activate Malwarebytes Anti-Malware Premium:
1 Click Activate located at the top right of the application. If you can't find Activate, you have already registered the product.
2 Copy and paste the ID from the e-mail into the ID box.
3 Copy and paste the Key into the Key box.
4 Click Activate."
from https://helpdesk.malwarebytes.org/hc/en-us/articles/201861536-How-do-I-activate-Malwarebytes-Anti-Malware-

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