Installation

1. Download the .zip file from your WooCommerce account.
2. Go to: WordPress Admin > Plugins > Add New to upload the file you downloaded with Choose File.
3. Activate the extension.

More information at: Installing and Managing Plugins.  

Updating plugins

Use one of the following options (1 is recommended):

1. In WordPress Admin > WooCommerce > Extensions > WooCommerce Subscriptions (tab). Find Pick List for WooCommerce and update to latest. If not connected to WooCommerce > connect with your WooCommerce login and the list with your WooCommerce plugins will appear.
2. Log inn to https://woocommerce.com/my-account/my-subscriptions/ and download the latest version. Uninstall Pick List and use the .zip file to install the plugin again.