Hello.
You can open the jee knockout course on your PC by following some of the simple steps.
Firstly go with the link which is related to the institute of which course you paper.
Then on the right corner there will be option of login and register ,  enter your complete details that is your email id and password and name etc. In register option after successfully login there will be option with name knockout dashboard you can go with it and start solving questions.
Best of luck.

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