How do you install patch ASPB20-22 on Magento 2.3.5-p1. There is no clear cut description on how to patch

Here is teh official notes for Pacth ASPB20-22 by Adobe. https://helpx.adobe.com/security/products/magento/apsb20-22.html#solution

There is no information on where to download the patch and how to install it. And nothing on this page makes sense? I mean, what the hell? https://magento.com/tech-resources/download (patches tab)