is NBR player installed? that might be the reason why its not playing in your PC. try to run in IE to be sure that NBR player is installed.
Yes from this site
https://www.webex.com/play-webex-recording.html
I have downloaded both .arf and .wrf file player.
Still not able to see videos.
Windows opens and within 30 sec of buffering , it disappears.
Please help