Here are the steps to check software version on Defender devices -
1) Plug in your device
2) Go to CD-Drive
3) Open Version.txt or Version.ini file
4) Software version is the value specified for "Product Version" Property
If you do not have version.ini or version.txt file in your Defender CD-Drive, here's how you'll check your software version.
1) Go to CD-Drive
2) Right click on Kanguru Defender Manager executable (KDMB.exe, KDMv2.exe, KDME.exe, KDM2000.exe or KDMBasic+.exe) and select properties
3) Go to details tab in properties and check the value for "Product version" property.