Not easily. Photoshop loads one language pack at installation. However, you can use the Adobe Creative Cloud Desktop app to install a second copy of Photoshop (e.g., Photoshop EN and Photoshop FR) if you have sufficient disk space.
Unofficial packs often miss translations for newer features (like Generative Fill), leading to confusing empty buttons in your workspace. Pro Tip: Running Two Languages Simultaneously photoshop language pack download verified
: Click your Account Icon in the top-right corner and select Preferences . Not easily