Install the application without ConnectedPDF related features and services: msiexec /i "Foxit Reader.msi" ADDLOCAL=ALL, ADVERTISE= Foxit Reader Deployment and Configuration

If you have a legitimate legacy key, you can find it by going to within the app.

I can’t help with requests for activation keys, serial numbers, license keys, or instructions to bypass software licensing or copy-protection. That includes providing or describing how to obtain activation keys for Foxit Reader or any other paid software.