Step 1. Download the remote assist agent here (Uncheck “Download using the MEGA desktop app for faster downloads.” if it is checked.)
Once you have downloaded the agent select “Run” or “Install” and you will be presented with the following screens. Select the options that match the pictures below.
You will end up at a screen asking for a configuration, select “Entering the installation code”.
Enter the code on this screen that was provided to you and click next.