How to Launch Gigapixel AI as a Plugin in Photoshop
Gigapixel AI is not compatible with Photoshop Elements.
Gigapixel AI 5.1 and later will function as a Photoshop plugin. Once installed, access the Gigapixel AI plugin through File > Automate > Topaz Gigapixel AI.
Gigapixel AI will NOT show up under Filter > Topaz Labs.