1. Download Plugin A/B
Download Plugin A/B using the 'I want this!' link here:
It would be very kind if you included a donation to the plugin, but that is not necessary. :) Simply enter your email and select download.
2. Upload Plugin A/B to Wordpress site
Navigate to the 'Plugins' section and select 'add new' and 'upload a plugin'. The gif below shows the navigational process.
3. Activate Plugin A/B
After uploading Plugin A/B, you must activate it for it to beginning working. Navigate to your installed plugins page within Wordpress and select 'activate'. This is also an option immediately after uploading the plugin.