Your cPanel username and cPanel Password are emailed to you when you first set the account up. The Remote access key you can obtain by logging into your WHM and selecting the Setup Remote Access Key option from the menu on the left side of your screen. The WHM can be accessed via the following link: https://www.instanthosting.com.au:2087/
Click on Add Details down the bottom of the screen.
Once you have successfully added your reseller account, you can now click on the Create Hosting link at the top of the screen.
Use this screen to create your accounts. A record will be made in your RWI (red/yellow interface) and the plan will be created on the server and added to your WHM (green interface).