diff --git a/.goreleaser.yaml b/.goreleaser.yaml
index 6ca39b7..960fdfa 100644
--- a/.goreleaser.yaml
+++ b/.goreleaser.yaml
@@ -17,13 +17,17 @@ builds:
     goos:
       - linux
       - darwin
+      - freebsd
     goarch:
       - amd64
       - arm64
 
 archives:
-  - format: zip
-    name_template: "{{ .ProjectName }}_{{ .Os }}_{{ .Arch }}"
+  - format: tar.gz
+    format_overrides:
+      - goos: darwin
+        format: zip
+    name_template: "{{ .ProjectName }}_{{ .Version }}_{{ .Os }}_{{ .Arch }}"
     files:
       - README.md
       - LICENSE
diff --git a/action.yaml b/action.yaml
new file mode 100644
index 0000000..f7d719c
--- /dev/null
+++ b/action.yaml
@@ -0,0 +1,10 @@
+name: zgsync
+description: setup zgsync
+runs:
+  using: "composite"
+  steps:
+    - name: setup zgsync
+      shell: bash
+      run: |
+        cd "${GITHUB_WORKSPACE}" || exit 1
+        /bin/bash -c "$(curl -fsfL https://raw.githubusercontent.com/tukaelu/zgsync/master/install.sh)
diff --git a/install.sh b/install.sh
new file mode 100755
index 0000000..8a0dc3e
--- /dev/null
+++ b/install.sh
@@ -0,0 +1,115 @@
+#!/usr/bin/env bash
+
+set -Eeuo pipefail
+
+BINDIR="${BINDIR:-/usr/local/bin}"
+
+REPO_OWNER="tukaelu"
+PROG_NAME="zgsync"
+
+if ! \curl --version >/dev/null 2>&1; then
+  echo "curl command is required to install ${PROG_NAME}" 2>&1
+  echo "Please install curl and try again." 2>&1
+  exit 1
+fi
+
+get_goos() {
+  os=$(uname -s)
+  case $os in
+  "Linux")
+    echo "linux"
+    ;;
+  "Darwin")
+    echo "darwin"
+    ;;
+  "FreeBSD")
+    echo "freebsd"
+    ;;
+  *)
+    echo "unsupported OS: ${os}"
+    exit 1
+    ;;
+  esac
+}
+
+get_goarch() {
+  arch=$(uname -m)
+  case $arch in
+  "amd64" | "x86_64")
+    echo "amd64"
+    ;;
+  "arm64" | "aarch64")
+    echo "arm64"
+    ;;
+  *)
+    echo "unsupported arch: ${arch}"
+    exit 1
+    ;;
+  esac
+}
+
+get_latest_version() {
+  version=$(
+    curl -fsSL https://api.github.com/repos/${REPO_OWNER}/${PROG_NAME}/releases/latest |
+      grep tag_name |
+      cut -d: -f2-3 |
+      sed -e 's/["v, ]//g'
+  )
+  echo "${version}"
+}
+
+get_ext() {
+  case $goos in
+  "linux" | "freebsd")
+    echo ".tar.gz"
+    ;;
+  "darwin")
+    echo ".zip"
+    ;;
+  *)
+    echo "unsupported OS: ${os}"
+    exit 1
+    ;;
+  esac
+}
+
+do_extract() {
+  local path=$1
+  local fname=$2
+  local ext=$3
+  case ${ext} in
+  ".tar.gz")
+    tar -C "${path}" -xzf "${path}/${fname}"
+    ;;
+  ".zip")
+    unzip -d "${path}" "${path}/${fname}"
+    ;;
+  *)
+    echo "unsupported ext: ${ext}"
+    exit 1
+    ;;
+  esac
+}
+
+goos=$(get_goos)
+goarch=$(get_goarch)
+ext=$(get_ext)
+latest_version=$(get_latest_version)
+
+fname="${PROG_NAME}_${latest_version}_${goos}_${goarch}${ext}"
+release_url="https://github.com/${REPO_OWNER}/${PROG_NAME}/releases/download/v${latest_version}/${fname}"
+
+tmpdir=$(mktemp -d)
+
+echo "Downloading ${fname} from ${release_url} ... "
+curl -fSL -o "${tmpdir}/${fname}" "${release_url}"
+echo "done."
+
+echo -n "Extracting ... "
+do_extract "${tmpdir}" "${fname}" "${ext}"
+echo "done."
+
+echo -n "Installing ... "
+mv "${tmpdir}/${PROG_NAME}" "${BINDIR}/${PROG_NAME}"
+chmod +x "${BINDIR}/${PROG_NAME}"
+echo "done."