Adobe Zii 2021 V6.1.5 -

Adobe Zii development largely stalled after the 2021 series. It does not work reliably with newer Adobe 2023, 2024, or 2025 apps, which now require different activation methods.

This version marked early support for Adobe's Substance 3D tools, including Designer , Painter , and Sampler . Adobe Zii 2021 v6.1.5

Are you trying to fix a while using this version, or Adobe Zii development largely stalled after the 2021 series