How to install plugin - Non-developer I am not a developer and I hope someone can help me. I had purchased a Mailchimp Commerce plugin via the plugin store but I don't know how to install it or find any documents on how to.

I do see the license on my ID but it says "Craft License Not attached to a CMS license."

Do I need a developer to install the plugin? any instructions I can look over? 

Any help is really apprecited
Plugins can be installed through the Craft control panel.

When you log in to your Craft install, you'll see Plugin Store in the left-hand menu. From there you can find and install (labelled 'Try' as you're first installing as a trial) the MailChimp Commerce plugin.

Once installed go to Settings > Plugins and enter the license you purchased.