: Locate the downloaded setup archive or executable on your workstation.
The best source for any Matica software is the official Matica Technologies website or via direct contact with their technical support. maticard 3 download
: Because Version 3 is a legacy framework, right-click the setup file and select Properties > Compatibility . Check "Run this program in compatibility mode for" and pick Windows 7 . Check "Run this program as an administrator." : Locate the downloaded setup archive or executable