# Purchase and Activation of 3rd party Extension Keys from Plesk

We provide third-party extension keys from Plesk for products such as:

- CloudLinux
- KernelCare
- Acronis Backup
- Imunify360

You can purchase these keys in [RCP ](https://cp.openprovider.eu)from:  
**Plesk Licenses** &gt;&gt; **Order New Plesk License** &gt;&gt; **Third Party Extension Keys** &gt;&gt; **Order** &gt;&gt; Select product type and period, then click on **Order now**

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### Activation Process

1. Once the order is placed, the activation key will be sent to the reseller.
2. Log in to your Plesk panel.
3. Go to Tools &amp; Settings → License Information (previously 'License management').
4. Enter the activation key to install the product.