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- Extract the module archive which you downloaded from the client area.
- Upload the module to your WHMCS installation.
- Go to the WHMCS Admin backend, click on Setup → Addon Modules and activate the module.
- Click on Configure and enter your license key.
- Activate the desired options. Read following article for informations about each option: Module Configuration
- At "Access Control" select the admin groups that should have access to the module.
- Insert the tracking code to your mail template.