Go to Jump Desktop Web Remote To Access Your Workstation.

Here's the link: app.jumpdesktop.com

After Signing In,  Click On "My Computers" Section of the Left Side

On this Section, You will click on your assigned "Compute" workstation.

 For example, I was assigned to "Compute-7", I'm going to click on it

After clicking on it, This will pop up. 

You will type your Username and Password after your request was approved and credentials were sent.