The connection may be blocked by the OS firewall.
Try the following:
・ Method 1
Please visit the following URL and check "Private" of "Maya / Unity / Blender/ 3dsMax / UnrealEngine /DAZ Studio" from "Allow application by Windows Firewall".
If the problem cannot be solved by the above methods
Or, if the problem could not be resolved by email or other inquiries
Or if you are using an iPhone without Face ID and purchased by mistake
Please refer to the following URL to complete the return and refund process.