No specific info about version 4.0. Please visit the main page of Casper on Software Informer.
The best I have ever used. Does what it says it will do.
Run automated backups on selected files and folders in your computer.
Create fully functioning operating system on CD, DVD, or USB drive.
Paragon Backup & Recovery Free Edition will back up and protect your data.
Save all your valuable data and create data images and virtual drives.
Casper Secure Drive Backup is a professional backup software.
With this program you can control the critical recovery functions.
The best I have ever used. Does what it says it will do.