I cover by Freelancer.

Once payment, spares send you some 40-character Activation-code (such as: 3be4cc6265f7e28da49dc4cdc357b4de0389199d)
Publish the code onto this webpage: (https://k2s.cc/auth/code.html)
When you bought a code out of a freelancer however haven’t obtained the code or even the code you’ve received just isn’t working, please get the freelancer.
Proceed to the freelancer site for contact information.
Please get in touch with us when your freelancer doesn’t respond within two days.
With payment advice and connection to the freelancer.