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- Extract the module archive which you downloaded from the client area.
- Upload the module to your Blesta installation.
- Go to the Blesta Admin backend, click on Settings → Plugins → Available → Share Blesta Cart and activate the module.
- Click on the "Manage" link and insert your license key. Information about each option can be found here.
If you have multiple companies, you need to activate the plugin at every company where you want to use the plugin.