Adobe releases monthly security patches and feature updates. A portable version is frozen in time. You’ll miss critical fixes for bugs like crashing when using the Pen Tool or exporting large files.
Even the “top” portable builds can fail. Here are fixes: download adobe photoshop 2020 portable top
Let’s be honest—this is the "top" reason for most searches. Photoshop 2020 Portable is almost exclusively distributed via cracked or patched releases. It bypasses Adobe’s licensing servers, allowing users to access premium features for free. Adobe releases monthly security patches and feature updates