I want to transfer the activation code or unbind a device

Your license activation codes can be found in your AdGuard account, which is created automatically for the email address you use to purchase a license. The devices on which you use AdGuard also will appear in your account once you log in to the app with the same email address or the activation code.
Generally, to transfer an activation code to a new device — if all the device slots are already taken — you have to unbind one of your other devices to make place for the other one.
One way of doing it is through your account. Follow these steps:
Open your AdGuard account and go to the AdGuard Ad Blocker tab.
Under Devices, find the device you want to unbind and click its name.
Click Remove.
Another way to unbind your device from the license is through the AdGuard app on your Android device. Follow these steps:
Open AdGuard and go to Settings → License → Reset License
Once your older device is unbound, just use your activation code on your other device.
Downloading AdGuard To install AdGuard, click the file indicated by the arrow Select "Open" and click "OK", then wait for the file to be downloaded. In the opened window, drag the AdGuard icon to the "Applications" folder. Thank you for choosing AdGuard! Select "Open" and click "OK", then wait for the file to be downloaded. In the opened window, click "Install". Thank you for choosing AdGuard!
Install AdGuard on your mobile device