1. Install WP Timeline plugin: https://exthemes.net/docs/all/wp-timeline/installation/
2. Install sample data from this doc: https://exthemes.net/docs/all/wp-timeline/install-sample-data/
3. Access to demo page: https://exthemes.net/wp-timeline/ > Choose layout you want to use > Copy shortcode from bottom of each demo > Add it into your page and see result
Example if you want to use this layout: https://exthemes.net/wp-timeline/clean/
Then please Copy this shortcode ( from demo page):[wpex_timeline style="clean" cat="color" start_label="Start" show_media="0" lightbox="1" infinite="1" posttype="wp-timeline"]
4. Add it into your content of page and see result
According to Envato’s license policy, a license can only be activated once per domain. If you want to use the license on your test domain, you need to activate it from the corresponding subdomain.
Please refer to the License FAQ for more details:
https://help.market.envato.com/hc/en-us/articles/115005597526-I-want-to-make-multiple-end-products-with-the-same-item-how-many-licenses-do-I-need-to-buy
https://help.market.envato.com/hc/en-us/articles/115005597566-Licensing-Requirements-for-Test-Sites-Clarifications-and-Guidelines
During the 6-month support period, if you want to move your license from your development site to your live site, you can send your request via via this support link, and we will reset it for you.