Like any other WordPress plugin, you can install Power Elements Plugin from the plugin directory. Make sure you have Power Elements Plugin and Elementor installed beforehand. To install Power Elements Plugin Pro, follow the below steps

Step 1:

Go to your WordPress dashboard and navigate to wp-admin -> Plugins -> Add New.

Step 2:

Now, Click on Upload Plugin

Now, click on choose file and upload the zip file from your local memory

Step 3:

Click on Activate Plugin to activate Power Elements