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Technical Support

Marathon Data Systems can help you with all your GIS needs including:

  • software sales,
  • support,
  • training, and
  • consulting services.

For further questions, you can always call at our call center, specifying the reason for your phone calls in order to be connected you with the appropriate technician.


Working days and hours:

Monday - Friday: 9.00 a.m. - 17.00 p.m.

Telephones for Athens:

210 6198866, 210 6198868 , 210 6198761

Telephones for Thessaloniki:

2310 282397



For on-line technical support, you may visit ESRI's Support web page, by clicking on the link below:

ESRI Support

System Requirements

By clicking on the link below, you can see system requirements for installing ArcGIS Desktop:

System Requirements