Hello Tim,
Thank you for reaching out.
1. Enter the license key in Performance>General settings, Licensing sub-box, license field, verify the license with the “verify license button” and save all settings.
W3 Total Cache Pro should be active after these steps!
2. Please make sure that Minify is enabled in Performance>General settings
You can upload the images on Imgur
and share the screenshots. Make sure to take the screenshot of General settings and Performance>Minify.
Thanks!