diff --git a/openclaw-setup-copilot/README.md b/openclaw-setup-copilot/README.md
index 0ed06a0..af10023 100644
--- a/openclaw-setup-copilot/README.md
+++ b/openclaw-setup-copilot/README.md
@@ -73,6 +73,21 @@ bash ./scripts/finalize_copilot_setup.sh
 openclaw status --deep
 ```
 
+Optional custom install locations:
+
+```bash
+# Move OpenClaw runtime data (~/.openclaw) to another path
+OPENCLAW_DATA_TARGET=/Volumes/Data/openclaw-copilot bash ./setup/setup_openclaw_copilot.sh
+
+# Install global npm CLIs into a custom prefix/bin
+NPM_GLOBAL_PREFIX="$HOME/.npm-global" bash ./setup/setup_openclaw_copilot.sh
+
+# Use both
+OPENCLAW_DATA_TARGET=/Volumes/Data/openclaw-copilot \
+NPM_GLOBAL_PREFIX="$HOME/.npm-global" \
+bash ./setup/setup_openclaw_copilot.sh
+```
+
 Order and dependency (important):
 
 1. `setup/setup_openclaw_copilot.sh` installs tooling only (`openclaw`, `copilot`, Node).
@@ -91,6 +106,12 @@ Why:
 bash ./setup/setup_openclaw_copilot.sh
 ```
 
+If using a custom location:
+
+```bash
+OPENCLAW_DATA_TARGET=/Volumes/Data/openclaw-copilot bash ./setup/setup_openclaw_copilot.sh
+```
+
 2. Finalize in one command (recommended):
 
 ```bash
diff --git a/openclaw-setup-copilot/docs/context/TOOLS.md b/openclaw-setup-copilot/docs/context/TOOLS.md
index e3a6aa0..cd8f234 100644
--- a/openclaw-setup-copilot/docs/context/TOOLS.md
+++ b/openclaw-setup-copilot/docs/context/TOOLS.md
@@ -8,6 +8,13 @@ Primary setup script:
 bash ./setup/setup_openclaw_copilot.sh
 ```
 
+Custom locations (optional):
+
+```bash
+OPENCLAW_DATA_TARGET=/Volumes/Data/openclaw-copilot bash ./setup/setup_openclaw_copilot.sh
+NPM_GLOBAL_PREFIX="$HOME/.npm-global" bash ./setup/setup_openclaw_copilot.sh
+```
+
 Install:
 
 ```bash
diff --git a/openclaw-setup-copilot/docs/operations/WORK_SETUP_CHECKLIST.md b/openclaw-setup-copilot/docs/operations/WORK_SETUP_CHECKLIST.md
index ce32a31..a9146bf 100644
--- a/openclaw-setup-copilot/docs/operations/WORK_SETUP_CHECKLIST.md
+++ b/openclaw-setup-copilot/docs/operations/WORK_SETUP_CHECKLIST.md
@@ -28,6 +28,13 @@ which npm || echo "npm missing"
 bash ./setup/setup_openclaw_copilot.sh
 ```
 
+Optional custom locations:
+
+```bash
+OPENCLAW_DATA_TARGET=/Volumes/Data/openclaw-copilot bash ./setup/setup_openclaw_copilot.sh
+NPM_GLOBAL_PREFIX="$HOME/.npm-global" bash ./setup/setup_openclaw_copilot.sh
+```
+
 Verify:
 
 ```bash
diff --git a/openclaw-setup-copilot/setup/setup_openclaw_copilot.sh b/openclaw-setup-copilot/setup/setup_openclaw_copilot.sh
index 582062b..5761e1d 100755
--- a/openclaw-setup-copilot/setup/setup_openclaw_copilot.sh
+++ b/openclaw-setup-copilot/setup/setup_openclaw_copilot.sh
@@ -2,6 +2,13 @@
 
 set -euo pipefail
 
+# Optional overrides:
+#   OPENCLAW_DATA_TARGET=/Volumes/Data/openclaw-copilot bash ./setup/setup_openclaw_copilot.sh
+#   NPM_GLOBAL_PREFIX="$HOME/.npm-global" bash ./setup/setup_openclaw_copilot.sh
+#   OPENCLAW_DATA_TARGET=/Volumes/Data/openclaw-copilot NPM_GLOBAL_PREFIX="$HOME/.npm-global" bash ./setup/setup_openclaw_copilot.sh
+OPENCLAW_DATA_TARGET="${OPENCLAW_DATA_TARGET:-}"
+NPM_GLOBAL_PREFIX="${NPM_GLOBAL_PREFIX:-}"
+
 SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 
 GREEN='\033[0;32m'
@@ -25,8 +32,84 @@ node_major_version() {
   node -v 2>/dev/null | sed 's/^v//' | cut -d. -f1
 }
 
+expand_tilde() {
+  local p="$1"
+  if [[ "$p" == "~" ]]; then
+    echo "$HOME"
+  elif [[ "$p" == "~/"* ]]; then
+    echo "$HOME/${p#~/}"
+  else
+    echo "$p"
+  fi
+}
+
+link_data_dir() {
+  local source="$1"
+  local target="$2"
+  local label="$3"
+
+  mkdir -p "$target"
+
+  if [ -L "$source" ]; then
+    local current_link
+    current_link="$(readlink "$source")"
+    if [ "$current_link" != "$target" ]; then
+      rm "$source"
+      ln -s "$target" "$source"
+      log_info "${label}: updated symlink ${source} -> ${target}"
+    else
+      log_info "${label}: symlink already correct (${source} -> ${target})"
+    fi
+    return 0
+  fi
+
+  if [ -d "$source" ]; then
+    log_warn "${label}: migrating existing ${source} data to ${target}..."
+    if command -v rsync >/dev/null 2>&1; then
+      rsync -a "$source"/ "$target"/
+    else
+      cp -a "$source"/. "$target"/
+    fi
+    rm -rf "$source"
+  elif [ -e "$source" ]; then
+    log_err "ERROR: ${source} exists but is not a directory/symlink. Resolve manually."
+    exit 1
+  fi
+
+  ln -s "$target" "$source"
+  log_info "${label}: symlink created ${source} -> ${target}"
+}
+
+install_npm_global() {
+  local pkg="$1"
+  require_cmd npm
+  if [[ -n "$NPM_GLOBAL_PREFIX" ]]; then
+    mkdir -p "$NPM_GLOBAL_PREFIX"
+    npm install -g --prefix "$NPM_GLOBAL_PREFIX" "$pkg"
+  else
+    npm install -g "$pkg"
+  fi
+}
+
+if [[ -n "$OPENCLAW_DATA_TARGET" ]]; then
+  OPENCLAW_DATA_TARGET="$(expand_tilde "$OPENCLAW_DATA_TARGET")"
+fi
+if [[ -n "$NPM_GLOBAL_PREFIX" ]]; then
+  NPM_GLOBAL_PREFIX="$(expand_tilde "$NPM_GLOBAL_PREFIX")"
+fi
+
+if [[ -n "$NPM_GLOBAL_PREFIX" ]]; then
+  export PATH="$NPM_GLOBAL_PREFIX/bin:$PATH"
+fi
+
 echo -e "${GREEN}=== OpenClaw + GitHub Copilot CLI Setup ===${NC}"
 echo "Current time: $(date)"
+if [[ -n "$OPENCLAW_DATA_TARGET" ]]; then
+  echo "OpenClaw data target: $OPENCLAW_DATA_TARGET"
+fi
+if [[ -n "$NPM_GLOBAL_PREFIX" ]]; then
+  echo "npm global prefix: $NPM_GLOBAL_PREFIX"
+fi
 echo ""
 
 require_cmd curl
@@ -57,7 +140,7 @@ log_info "Node.js ready ($(node -v))."
 if ! command -v openclaw >/dev/null 2>&1; then
   log_warn "OpenClaw not found. Installing via npm..."
   require_cmd npm
-  npm install -g openclaw
+  install_npm_global openclaw
 else
   log_info "OpenClaw already installed ($(openclaw --version))."
 fi
@@ -68,16 +151,22 @@ if ! command -v copilot >/dev/null 2>&1; then
     log_warn "Copilot CLI not found. Installing prerelease via Homebrew..."
     brew install copilot-cli@prerelease || {
       log_warn "Homebrew install failed, falling back to npm package..."
-      npm install -g @github/copilot-cli
+      install_npm_global @github/copilot-cli
     }
   else
     log_warn "Homebrew not found. Installing Copilot CLI via npm..."
-    npm install -g @github/copilot-cli
+    install_npm_global @github/copilot-cli
   fi
 else
   log_info "Copilot CLI already installed ($(copilot --version 2>/dev/null || echo present))."
 fi
 
+if [[ -n "$OPENCLAW_DATA_TARGET" ]]; then
+  link_data_dir "$HOME/.openclaw" "$OPENCLAW_DATA_TARGET" "OpenClaw"
+else
+  log_info "OpenClaw data location unchanged (~/.openclaw). Set OPENCLAW_DATA_TARGET to move it."
+fi
+
 FINALIZE_SCRIPT="$SCRIPT_DIR/../scripts/finalize_copilot_setup.sh"
 if [[ -x "$FINALIZE_SCRIPT" ]]; then
   if copilot auth status >/dev/null 2>&1; then
@@ -105,3 +194,8 @@ echo "   bash ./scripts/finalize_copilot_setup.sh"
 echo "3. Verify:"
 echo "   openclaw status --deep"
 echo "   openclaw models status"
+if [[ -n "$NPM_GLOBAL_PREFIX" ]]; then
+  echo ""
+  echo "If this is a new shell, ensure PATH includes your npm prefix bin:"
+  echo "   export PATH=\"$NPM_GLOBAL_PREFIX/bin:\$PATH\""
+fi