You can install and activate FAQ For Woocommerce plugin in two ways. Please follow any of the following ways.
1. Search & Install Plugin:
Log in to your WordPress dashboard. Click on ‘Plugins’ and then hit the ‘Add New’ button. In the search field, type ‘Product Faq’ as shown below.
After installation please hit on “Activate” to activate the plugin like below.
2. Download & Upload Plugin:
Go to the plugin link and download the plugin from there by clicking download button as shown below.
After downloading the plugin, go to “Plugins > Add new“, click on “Upload Plugin” upload the zip file as shown below.
After activating the XPlainer plugin, you are ready to add FAQ as you like.