You need to verify the system requirements of every product on the Products page to determine if you should upgrade your hardware or not. For DP Document Manager the system requirements can be accessed here
For DP Mail Extractor for CaseLines, the system requirements can be accessed here

Sorry – Date Prune applications are currently only compatible with Microsoft Windows.

Please contact support to discuss the integration possibilities of our products with any of your software.
If you haven’t received your product key within 5 minutes of your purchase, please check your Spam folder. If the key is still missing or lost, please contact support@dataprune.co.za
Please contact support for a quotation on a bulk licensing option.

The CaseLines version of DP Mail Extractor is CaseLines specific.  The DP Mail Extractor for general use is currently under development and will be available for use soon.