If you see “You can’t open this application because it needs a 32‑bit architecture”:
A 32-bit application can only address a maximum of 4 GB of RAM (Random Access Memory). For a program like Photoshop—which often handles massive PSD files, hundreds of layers, 3D textures, and high-resolution RAW images—4 GB is a suffocating cage. Once Photoshop hits that limit, it slows down, crashes, or refuses to open larger files. Adobe Photoshop 64 Bit For Mac
: Multicore Intel or Apple Silicon (M1/M2/M3) processor. OS : macOS Monterey (version 12.0) or later. If you see “You can’t open this application
Even with the right architecture, users encounter issues. Here are the most common problems and solutions. : Multicore Intel or Apple Silicon (M1/M2/M3) processor
If you have a very old Mac (pre‑2012) running High Sierra or earlier, you may still find old 64‑bit Photoshop versions (CS6, CC 2018), but they are unsafe and incompatible with modern plugins/cloud services.