Explanation
1. Click on the "Create an Envato Account" button.
2. Insert "username", "password", "email" and "captcha" and click on "Create Account".
3. Check your emails and click on the link in the email (from envato).
4. Go back to Themeforest and click on "Sign In".
5. Choose WordPress templates.
6. Choose on the right side your category and select the template that you prefer.
7. Now you could see some previews and screenshots and in the right corner you can purchase the template.
8. Select credit card or pay with PayPal.
9. Login to your PayPal account and pay.