@pabloxzx69 If you are looking to install Site Kit on your WordPress site you can do this on two different ways.
Via plugin directory:
- While logged into your site as admin, go to plugins > Add New
- Search for ‘Site Kit’ in the search bar
- Click on the ‘Install Now’ button for Site Kit
- Once installed click on the ‘Activate’ button
Via upload:
- Download the latest Site Kit plugin from here
- While logged into your site as admin, go to plugins > Add New
- Click on the ‘Upload Plugin’ button
- Choose the SIte Kit zip file and click on ‘Install Now’
- Let the plugin install and activate once done
Hope this helps you to install the plugin. If you are still facing issues then please feel free to open a support topic with us where we can assist you further.