Artec Studio 18 User's Guide is available online following the link:
http://docs.artec-group.com/as/18/en/index.html
In case you experience any issues with your Artec 3D scanner or require technical assistance with your device or Artec Studio, in the first instance please contact your local Artec dealer/distributor directly. You can also contact the Artec Support Team by clicking on "Submit a request" button on the bottom right part of the screen or by emailing support@artec3d.com