This is PLAYER 4K2 - Login is Required.
NOT FOR GENERAL PUBLIC - only for institutes/content producers or distributors.
Play the video and pdf files provided by your institute. Login will be required! Obtain your login ID from your institute or distributor.
PLEASE NOTE: Files will not open by double-click as you were doing earlier. Open the player, then click Ctrl + O or "Click to Open" link at the top [see one of the screenshots]