Prerequisites
Update macOS to Monterey (minimum)
Remove previous/other competitor's Apps/Drivers
Update iTunes Mobile Library if asked to Update
Remove third-party Anti-Virus programs and applications
Downloads
Steps
Open the Phonecheck Download (zip file)
This will create a regular folder in your downloads, open that folder.
Open the "bundles" folder
Open the Phonecheck "dmg" file
Drag and Drop the Phonecheck icon into the Applications folder
If Phonecheck was already installed, you will need to select the "Replace" option
Download and Install Java (Required)
Download and Install Dymo (Optional)