installing-julia

name	installing-julia
description	Use when your machine does not have JuliaLang runtime

Installing Julia

If your machine does not have the Julia programming language runtime installed, follow the instructions below to install it.

Preferred: official installer

On macOS or Linux, run the following command:

$ curl -fsSL https://install.julialang.org | sh -s -- --yes

On Windows, run the following command in PowerShell:

PS> winget install --name Julia --id 9NJNWW8PVKMN -e -s msstore

Fallback: direct tarball install

Use this method when the curl | sh installer cannot run — for example, when a sandbox or permission policy blocks piping a remote script directly into sh (the "Code from External" pattern). This downloads the same official Julia binary the installer would fetch, but as a plain file you extract locally — no shell-pipe-to-interpreter.

Steps (macOS / Linux)

1. Detect platform with uname -s (Linux / Darwin) and uname -m (x86_64 / aarch64 / arm64).

2. Pick the URL fragment matching your platform:

   OS / Arch	URL path	Tarball suffix
   Linux x86_64	linux/x64	linux-x86_64.tar.gz
   Linux aarch64	linux/aarch64	linux-aarch64.tar.gz
   macOS x86_64 (Intel)	mac/x64	mac-x86_64.tar.gz
   macOS aarch64 (Apple)	mac/aarch64	macaarch64.tar.gz

3. Resolve the latest stable patch (see [[finding-latest-julia-version]] for the full set of methods — do not hard-code VERSION= from memory), then download and extract:

   VERSION=$(curl -fsSL https://julialang-s3.julialang.org/bin/versions.json \
     | jq -r 'to_entries | map(select(.value.stable)) | map(.key)
              | sort_by(split(".") | map(tonumber? // 0)) | last')
   MINOR=${VERSION%.*}             # → e.g. 1.12
   ARCH_PATH=linux/aarch64         # ← from table above
   ARCH_SUFFIX=linux-aarch64       # ← from table above
   
   mkdir -p ~/julia-install && cd ~/julia-install
   curl -fsSLO "https://julialang-s3.julialang.org/bin/${ARCH_PATH}/${MINOR}/julia-${VERSION}-${ARCH_SUFFIX}.tar.gz"
   tar -xzf "julia-${VERSION}-${ARCH_SUFFIX}.tar.gz"
   export PATH="$HOME/julia-install/julia-${VERSION}/bin:$PATH"
   julia --version
   

4. To persist PATH across sessions, append the export PATH=... line to ~/.bashrc, ~/.zshrc, or the appropriate shell profile.

Windows fallback

If winget is unavailable, download the .zip package from https://julialang.org/downloads/, extract it, and add the inner bin\ directory to PATH.

Notes

• The tarball is the same artifact the official installer / juliaup would fetch — only the delivery mechanism differs.
• Version switching via juliaup add <version> is NOT available with this method; install another tarball to use a different version.
• In container or CI environments where PATH is set per-command, reference julia by full path ($HOME/julia-install/julia-<VERSION>/bin/julia) instead of relying on shell profile.