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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 Notifications.
- Click At "Microsoft Teams" click on Configure and enter your webhook URL and license key.
- Activate the desired options. Read following article for informations about each option: Module Configuration At "Access Control" select nothing
After completing these steps, the module setup is complete and you can proceed with configuring the notifications.