diff --git a/etc/profile.d/omarchy.sh b/etc/profile.d/omarchy.sh
new file mode 100644
index 00000000..1aa7c29e
--- /dev/null
+++ b/etc/profile.d/omarchy.sh
@@ -0,0 +1,14 @@
+# Default OMARCHY_PATH for non-install shells. install.sh overrides this
+# during the install flow to point at the checkout under
+# $HOME/.local/share/omarchy when running in script-install (boot.sh) mode.
+# omarchy-dev-link (Chunk 4) manages a symlink at /usr/share/omarchy that
+# points at a local checkout when active.
+export OMARCHY_PATH="${OMARCHY_PATH:-/usr/share/omarchy}"
+
+# Convenience: prepend Omarchy's user-installable bin to PATH if it exists.
+# (Mainly relevant for the script-install path; /usr/bin is already on PATH
+# for the package-install path.)
+case ":$PATH:" in
+  *":$OMARCHY_PATH/bin:"*) ;;
+  *) [ -d "$OMARCHY_PATH/bin" ] && export PATH="$OMARCHY_PATH/bin:$PATH" ;;
+esac