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PsychoPy on macOS — simple installer

Install-PsychoPy-macOS.sh is a small interactive installer. It asks two things — what to install and which version — and installs it. If a matching install already exists, it offers to delete it first.

Run it

Open Terminal, cd to the folder with the script, then:

bash Install-PsychoPy-macOS.sh

Run it directly (not piped) since it's interactive.

What it asks

  1. What to install:
    • PsychoPy Studio — the newer Electron app (PsychoPy_Studio_<ver>.dmg).
    • PsychoPy Standalone — the classic app (StandalonePsychoPy-<ver>-macOS-<arch>-<pyver>.dmg).
    • PsychoPy in a Conda environment — a per-user psychopy env; installs a per-user Miniconda first if you don't already have conda (no admin needed).
  2. Which version — type one like 2026.2.0, or leave blank for the latest.

If a matching install is found (the Studio app, the Standalone app, or the psychopy conda env), you're asked whether to delete it before installing. For the apps, declining just lets the new copy overwrite it; for conda, declining reuses the existing env.

Notes

  • No admin needed for conda. Copying an app into /Applications may prompt for your password if that folder isn't user-writable.
  • Architecture-aware. On Apple Silicon the Standalone picks the arm64 build and conda installs an arm64 Miniconda; on Intel it picks x86_64. Studio's macOS dmg is universal.
  • Conda uses conda-forge (--override-channels, with pip added) to avoid Anaconda's default-channel Terms-of-Service gate and large-org licensing.
  • After a conda install, open a new terminal and conda activate psychopy (the script runs conda init for zsh and bash), or run experiments directly with the env's Python.