Thanks for contacting us! Did you follow these steps to import our parts into Altium Designer?
1. Select File > Import Wizard
2. Select PCAD library from the list and click Next
3. Click Next again to skip importing a P-CAD design
4. In the dialog to import a PCAD library, add the file downloaded from SnapEDA
5. Follow the rest of the prompts
This video shows the process: https://www.youtube.com/watch?v=jM6L8SiklaQ. Hope that helps! Please let us know if you need anything else.
Answered 3 months ago.