To install Leverage WordPress theme, first you should download the .zip file from your Envato Account after purchasing the theme on ThemeForest.
You can download the .zip file from the download page in your account by clicking on the green download button then choose “Installable WordPress theme only”.
Installing
To install the theme, first login to your WordPress, then go to Appearance » Themes and click on the “Add new” button in the top of the page.
You will be prompted to choose the .zip file that you downloaded earlier from your envato account. Select the file and click Install Now.
WordPress may take a few moments to upload the file and install it, and once it’s done you will success message with a link to activate the link.
Click on the activate link to set Leverage as the active theme.
If everything went well, the theme will be installed and you will see notifications at the top recommending the installation of the required plug-ins. This is important for you to make the most of all available resources.