1. Add 0.0.0.0 account.zoner.com to your windows hosts file
  
 (Windows\System32\drivers\etc\hosts)

2. Install software

3. Run software from
C:\Users\xxx\AppData\Local\Programs\Zoner\ZPS X\Zoner Photo Studio X\binary\Program64

and keep it offline using your firewall if needed

4. Go to options (CTRL+M) and in "General" disable telemetry (Help future development...)
   In "Integration" disable auto update (Check for updates on system startup)