The very first time you run the Projucer, the first thing you'll see is this rather scary thing:

This makes it pretty obvious that you aren't going to get any further unless you sign up for a developer account with Roli, so if you haven't done so already, you can click on “I do not have an account” at the bottom, and you'll be presented with a form that looks like this:

After you fill in all the fields, scroll down, click the “I would like to receive the latest news from Roli” if you wish, and hit the big green Register button, you get this:

You have to check the “I agree to the privacy policy and JUCE 5 EULA” to go any further, so now would be a good time to review them by clicking on the links. Both are pretty reasonable. Once you do check the “I agree” box, the four license-option buttons appear—click on Personal, and then you'll be able to click on the “Continue” box at the bottom, wherupon you'll see this page:

Click the “START USING JUCE” button at the bottom, and you'll finally be able to get started… Whoops! Nope, one final hurdle:

Once again, you have no real choice, so click OK, and finally, finally, you can really get started using the Projucer. For the details, move on to this page.