If you're downloading SketchUp Pro or SketchUp Studio, you will need to create a SketchUp account. Follow these steps:
1. Go to the SketchUp website
2. In the top-right corner, click on "Sign In" if you already have an account. If not, click "Create an Account" and follow the prompts to set up your account.
3. Once your account is set up, you’ll have access to your SketchUp subscription, product keys, and more.