From your BigCommerce account, go to Apps > Marketplace.
Search for POWR and select the app you'd like to try.
Note: If you'd like all-in-one access to all apps, choose POWR Pack.
If you've installed POWR Pack, you will see the Dashboard:
Click Create New App.
Select the first app you'd like to create from the app library:
If you installed a specific app in the BigCommerce App Marketplace you will go straight to the POWR Editor.
Edit your app as desired in the POWR Editor.
When you're ready to add it to your BigCommerce site, click Publish.
Select the pages on which you'd like to add your app, and their position on the page:
Congratulations! Your app is now live on your site. You can view it to check how it looks live.
Note: You can edit your app on your live site. Only you will see this menu as the app admin, it won't be visible to visitors of your site.