We recommend getting a developer demo account to help align your packages.
*THERE IS AN ADDITIONAL STEP AFTER CREATING A DEVELOPER ACCOUNT THAT MUST BE DONE*
Click on the left option "Create A Developer App"
Follow onscreen instructions.
Once in the application, click on "Create a test account" on the right middle side and follow the instructions onscreen.
Once created, you can use this as a demo account that you can utilize