diff --git a/.github/workflows/pr-posix-script-versions-tests.yml b/.github/workflows/pr-posix-script-versions-tests.yml
index 61dc7ba..ba32fe6 100644
--- a/.github/workflows/pr-posix-script-versions-tests.yml
+++ b/.github/workflows/pr-posix-script-versions-tests.yml
@@ -13,6 +13,9 @@ jobs:
       matrix:
         os:
           - ubuntu-24.04
+          - macos-14
+        node-version:
+          - '20'
         fat:
           - --fat
           - ''
@@ -28,30 +31,26 @@ jobs:
           - 'edge'
           - 'latest'
           - 'dev'
-          - 'skip'
+          - 'bin/lando'
+          - 'set-with-envvar'
 
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
         with:
           fetch-depth: 0
+      - name: Install node ${{ matrix.node-version }}
+        uses: actions/setup-node@v4
+        with:
+          node-version: ${{ matrix.node-version }}
+          cache: npm
       - name: Setup Lando version ${{ matrix.success-version }}
         shell: bash
         run: |
-          if [[ "${{ matrix.success-version }}" == "skip" ]]; then
+          if [[ "${{ matrix.success-version }}" == "set-with-envvar" ]]; then
             LANDO_VERSION=v3.22.0 ./setup-lando.sh --no-setup ${{ matrix.fat }}
           else
             ./setup-lando.sh --version=${{ matrix.success-version }} --no-setup ${{ matrix.fat }}
           fi
 
           lando version --all
-
-          # test slim|fat on lando 3
-          if lando version | grep "v3."; then
-            if [[ "${{ matrix.fat }}" == "--fat" ]]; then
-              lando config --path cli.slim | grep false
-            else
-              lando config --path cli.slim | grep true
-            fi
-          fi
-
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6da901e..1f0a22e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,7 @@
 ## {{ UNRELEASED_VERSION }} - [{{ UNRELEASED_DATE }}]({{ UNRELEASED_LINK }})
 
+* Added `path` based installation to POSIX `setup-lando.sh` script
+
 ## v3.4.5 - [November 10, 2024](https://github.com/lando/setup-lando/releases/tag/v3.4.5)
 
 * Updated to [@lando/vitepress-theme-default-plus@v1.1.0-beta.19](https://github.com/lando/vitepress-theme-default-plus/releases/tag/v1.1.0-beta.19)
diff --git a/setup-lando.sh b/setup-lando.sh
index 4ede7d2..0515b73 100755
--- a/setup-lando.sh
+++ b/setup-lando.sh
@@ -507,11 +507,18 @@ elif [[ "${VERSION}" == "3-dev" ]] || [[ "${VERSION}" == "3-latest" ]]; then
   URL="https://files.lando.dev/core/lando-${OS}-${ARCH}-dev"
   VERSION_DEV=1
 
-# CUSTOM
-else
-  if [[ $VERSION != v* ]]; then
-    VERSION="v${VERSION}"
+# CUSTOM VERSION
+elif [[ ! -f "$VERSION" ]] && [[ $VERSION != v* ]]; then
+  VERSION="v${VERSION}"
+
+# PATH VERSION
+elif [[ -f "${VERSION}" ]]; then
+  if [[ "${VERSION}" == /* ]]; then
+    URL=file://$VERSION
+  else
+    URL=file://$(pwd)/$VERSION
   fi
+  VERSION="$($VERSION version)"
 fi
 
 # Set some helper things
@@ -525,24 +532,30 @@ else
   HRV="$VERSION"
 fi
 
-# set url depending on non-dev LMVs
-if [[ $LMV == '3' ]] && [[ -z "${VERSION_DEV-}" ]]; then
-  URL="https://github.com/lando/core/releases/download/${VERSION}/lando-${OS}-${ARCH}-${VERSION}"
-elif [[ $LMV == '4' ]] && [[ -z "${VERSION_DEV-}" ]]; then
-  URL="https://github.com/lando/core-next/releases/download/${VERSION}/lando-${OS}-${ARCH}-${VERSION}"
+# if URL is still not set at this point we assume its a github version download
+if [[ -z "${URL-}" ]]; then
+  if [[ $LMV == '3' ]] && [[ -z "${VERSION_DEV-}" ]]; then
+    URL="https://github.com/lando/core/releases/download/${VERSION}/lando-${OS}-${ARCH}-${VERSION}"
+  elif [[ $LMV == '4' ]] && [[ -z "${VERSION_DEV-}" ]]; then
+    URL="https://github.com/lando/core-next/releases/download/${VERSION}/lando-${OS}-${ARCH}-${VERSION}"
+  fi
+fi
+
+# abort if we have no URL at this point
+if [[ -z "${URL-}" ]]; then
+  abort "could not resolve '${ORIGINAL_VERSION}' to a file or URL!"
+else
+  debug "resolved v${LMV} version '${ORIGINAL_VERSION}' to ${VERSION} (${URL})"
 fi
 
 # autoslim all v3 urls by default
-# @TODO: --fat flag to stop this?
-if [[ $LMV == '3' ]] && [[ $FAT != '1' ]]; then
+# @TODO: restrict this to 3 < 3.24.0 at some point?
+if [[ $URL != file://* ]] && [[ $LMV == '3' ]] && [[ $FAT != '1' ]]; then
   URL="${URL}-slim"
   HRV="$VERSION-slim"
   debug "autoslimin url for lando 3"
 fi
 
-# debug version resolution
-debug "resolved v${LMV} version '${ORIGINAL_VERSION}' to ${VERSION} (${URL})"
-
 # force setup to 0 if lando 4
 if [[ $SETUP == '1' ]] && [[ $LMV == '4' ]]; then
   SETUP=0
@@ -767,14 +780,21 @@ cd "/usr" || exit 1
 if [[ -z "${NONINTERACTIVE-}" ]]; then
   log "${tty_bold}this script is about to:${tty_reset}"
   log
+
   # sudo prompt
   if needs_sudo; then log "- ${tty_green}prompt${tty_reset} for ${tty_bold}sudo${tty_reset} password"; fi
+
   # download
-  log "- ${tty_magenta}download${tty_reset} lando ${tty_bold}${HRV}${tty_reset} to ${tty_bold}${DEST}${tty_reset}"
+  if [[ $URL != file://* ]]; then log "- ${tty_magenta}download${tty_reset} lando ${tty_bold}${HRV}${tty_reset} to ${tty_bold}${DEST}${tty_reset}"
+  # or move
+  else log "- ${tty_magenta}move${tty_reset} lando ${tty_bold}${ORIGINAL_VERSION}${tty_reset} to ${tty_bold}${DEST}${tty_reset}"; fi
+
   # setup
   if [[ "$SETUP" == "1" ]]; then log "- ${tty_blue}run${tty_reset} ${tty_bold}lando setup${tty_reset}"; fi
+
   # shellenv
   log "- ${tty_blue}run${tty_reset} ${tty_bold}lando shellenv --add${tty_reset}"
+
   # block for user
   wait_for_user
 fi