@MR_UNKNOWN , Bro I Downloaded the DevSecOPs course from the gdrive link which you had shared in the thread .
when I unzip that course and tried to played the videos , it looks video is running with voice but always display with the home page .
looks kodekloud encypted their videos .
for example in below snapshot , 4 mins video will play with the first slide only , its not moving with the next slide
4mins video hanged up with first slide :-