Install and activate Better AMP plugin. It’s all you need for activating AMP in your WordPress website. Better AMP is included in Publisher package you buy, just install and activate it. This plugin pairs well with Better Ads Manager plugin and the result is an impressive feature reveals: 11 different Ad Locations for AMP pages. This assures you no opportunity for displaying your Ads will be wasted. Any Ad Type is acceptable for AMP Ads.
For visiting AMP version of your website, add /amp to the tail of your main domain address, i.e domain.com and domain.com/contact become domain.com/amp and domain.com/amp/contact, respectively.