Khadija - if you are asking about Moodle in general, feel free to explore the information on moodle.com which also includes a Contact us form if you want more information, for example about engaging an official Moodle partner (the officially accredited Moodle hosts) Moodle is free and open source and so the customer service is free and prompt on this site - but you can also have paid support via a Partner.
General help
General Inquiry
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