diff --git a/README.ja-JP.md b/README.ja-JP.md
index d1e2bfd..38e88e5 100644
--- a/README.ja-JP.md
+++ b/README.ja-JP.md
@@ -95,7 +95,23 @@ npm install -g @alibaba-group/open-code-review
**GitHub Releaseから**
-[GitHub Releases](https://github.com/alibaba/open-code-review/releases)から最新のバイナリをダウンロードします:
+1 つのコマンドで、お使いの OS / アーキテクチャ向けの最新バイナリをインストールできます(macOS / Linux):
+
+```bash
+curl -fsSL https://raw.githubusercontent.com/alibaba/open-code-review/main/install.sh | sh
+```
+
+このスクリプトは適切なリリースバイナリを選択し、SHA-256 チェックサムを検証して、`ocr` として `/usr/local/bin` にインストールします。インストール先は `OCR_INSTALL_DIR` で、リリースバージョンは `OCR_VERSION` で上書きできます:
+
+```bash
+OCR_INSTALL_DIR="$HOME/.local/bin" OCR_VERSION=v1.3.13 \
+ sh -c "$(curl -fsSL https://raw.githubusercontent.com/alibaba/open-code-review/main/install.sh)"
+```
+
+
+手動ダウンロード(Windows を含む全プラットフォーム)
+
+[GitHub Releases](https://github.com/alibaba/open-code-review/releases)からお使いのプラットフォーム向けのバイナリをダウンロードします:
```bash
# macOS (Apple Silicon)
@@ -121,6 +137,8 @@ curl -Lo ocr.exe https://github.com/alibaba/open-code-review/releases/latest/dow
curl -Lo ocr.exe https://github.com/alibaba/open-code-review/releases/latest/download/opencodereview-windows-arm64.exe
```
+
+
**ソースから**
```bash
diff --git a/README.ko-KR.md b/README.ko-KR.md
index c1470a4..92f6a05 100644
--- a/README.ko-KR.md
+++ b/README.ko-KR.md
@@ -95,7 +95,23 @@ npm install -g @alibaba-group/open-code-review
**GitHub Release 사용**
-[GitHub Releases](https://github.com/alibaba/open-code-review/releases)에서 최신 binary를 다운로드합니다.
+명령 한 번으로 사용 중인 OS/아키텍처에 맞는 최신 binary를 설치합니다 (macOS / Linux):
+
+```bash
+curl -fsSL https://raw.githubusercontent.com/alibaba/open-code-review/main/install.sh | sh
+```
+
+이 스크립트는 알맞은 릴리스 binary를 선택하고 SHA-256 체크섬을 검증한 뒤 `ocr`로 `/usr/local/bin`에 설치합니다. 설치 위치는 `OCR_INSTALL_DIR`로, 릴리스 버전은 `OCR_VERSION`으로 재정의할 수 있습니다:
+
+```bash
+OCR_INSTALL_DIR="$HOME/.local/bin" OCR_VERSION=v1.3.13 \
+ sh -c "$(curl -fsSL https://raw.githubusercontent.com/alibaba/open-code-review/main/install.sh)"
+```
+
+
+수동 다운로드 (Windows 포함 모든 플랫폼)
+
+[GitHub Releases](https://github.com/alibaba/open-code-review/releases)에서 사용 중인 플랫폼의 binary를 다운로드합니다.
```bash
# macOS (Apple Silicon)
@@ -121,6 +137,8 @@ curl -Lo ocr.exe https://github.com/alibaba/open-code-review/releases/latest/dow
curl -Lo ocr.exe https://github.com/alibaba/open-code-review/releases/latest/download/opencodereview-windows-arm64.exe
```
+
+
**소스에서 빌드**
```bash
diff --git a/README.md b/README.md
index 5c87163..81f6ccf 100644
--- a/README.md
+++ b/README.md
@@ -95,7 +95,23 @@ After installation, the `ocr` command is available globally.
**From GitHub Release**
-Download the latest binary from [GitHub Releases](https://github.com/alibaba/open-code-review/releases):
+Install the latest binary for your OS/architecture with one command (macOS / Linux):
+
+```bash
+curl -fsSL https://raw.githubusercontent.com/alibaba/open-code-review/main/install.sh | sh
+```
+
+The script picks the right release binary, verifies its SHA-256 checksum, and installs it as `ocr` in `/usr/local/bin`. Override the target with `OCR_INSTALL_DIR` or pin a release with `OCR_VERSION`:
+
+```bash
+OCR_INSTALL_DIR="$HOME/.local/bin" OCR_VERSION=v1.3.13 \
+ sh -c "$(curl -fsSL https://raw.githubusercontent.com/alibaba/open-code-review/main/install.sh)"
+```
+
+
+Manual download (all platforms, including Windows)
+
+Download the binary for your platform from [GitHub Releases](https://github.com/alibaba/open-code-review/releases):
```bash
# macOS (Apple Silicon)
@@ -121,6 +137,8 @@ curl -Lo ocr.exe https://github.com/alibaba/open-code-review/releases/latest/dow
curl -Lo ocr.exe https://github.com/alibaba/open-code-review/releases/latest/download/opencodereview-windows-arm64.exe
```
+
+
**From Source**
```bash
diff --git a/README.ru-RU.md b/README.ru-RU.md
index 7b4950f..94bc1ce 100644
--- a/README.ru-RU.md
+++ b/README.ru-RU.md
@@ -95,7 +95,23 @@ npm install -g @alibaba-group/open-code-review
**Из GitHub Release**
-Скачайте свежий бинарный файл со страницы [GitHub Releases](https://github.com/alibaba/open-code-review/releases):
+Установите свежий бинарный файл для вашей ОС/архитектуры одной командой (macOS / Linux):
+
+```bash
+curl -fsSL https://raw.githubusercontent.com/alibaba/open-code-review/main/install.sh | sh
+```
+
+Скрипт сам выбирает подходящий бинарный файл релиза, проверяет его контрольную сумму SHA-256 и устанавливает его как `ocr` в `/usr/local/bin`. Каталог установки можно переопределить через `OCR_INSTALL_DIR`, а версию релиза зафиксировать через `OCR_VERSION`:
+
+```bash
+OCR_INSTALL_DIR="$HOME/.local/bin" OCR_VERSION=v1.3.13 \
+ sh -c "$(curl -fsSL https://raw.githubusercontent.com/alibaba/open-code-review/main/install.sh)"
+```
+
+
+Ручная загрузка (все платформы, включая Windows)
+
+Скачайте бинарный файл для вашей платформы со страницы [GitHub Releases](https://github.com/alibaba/open-code-review/releases):
```bash
# macOS (Apple Silicon)
@@ -121,6 +137,8 @@ curl -Lo ocr.exe https://github.com/alibaba/open-code-review/releases/latest/dow
curl -Lo ocr.exe https://github.com/alibaba/open-code-review/releases/latest/download/opencodereview-windows-arm64.exe
```
+
+
**Из исходников**
```bash
diff --git a/README.zh-CN.md b/README.zh-CN.md
index 6ac64ea..ba4eba1 100644
--- a/README.zh-CN.md
+++ b/README.zh-CN.md
@@ -95,7 +95,23 @@ npm install -g @alibaba-group/open-code-review
**从 GitHub Release 下载**
-从 [GitHub Releases](https://github.com/alibaba/open-code-review/releases) 下载最新二进制文件:
+使用一条命令为你的操作系统/架构安装最新二进制文件(macOS / Linux):
+
+```bash
+curl -fsSL https://raw.githubusercontent.com/alibaba/open-code-review/main/install.sh | sh
+```
+
+该脚本会自动选择匹配的发布二进制文件,校验其 SHA-256 校验和,并将其作为 `ocr` 安装到 `/usr/local/bin`。可通过 `OCR_INSTALL_DIR` 覆盖安装目录,或通过 `OCR_VERSION` 指定发布版本:
+
+```bash
+OCR_INSTALL_DIR="$HOME/.local/bin" OCR_VERSION=v1.3.13 \
+ sh -c "$(curl -fsSL https://raw.githubusercontent.com/alibaba/open-code-review/main/install.sh)"
+```
+
+
+手动下载(所有平台,包括 Windows)
+
+从 [GitHub Releases](https://github.com/alibaba/open-code-review/releases) 下载适用于你平台的二进制文件:
```bash
# macOS (Apple Silicon)
@@ -121,6 +137,8 @@ curl -Lo ocr.exe https://github.com/alibaba/open-code-review/releases/latest/dow
curl -Lo ocr.exe https://github.com/alibaba/open-code-review/releases/latest/download/opencodereview-windows-arm64.exe
```
+
+
**从源码构建**
```bash
diff --git a/install.sh b/install.sh
new file mode 100755
index 0000000..8ca887f
--- /dev/null
+++ b/install.sh
@@ -0,0 +1,97 @@
+#!/bin/sh
+# Install the ocr (Open Code Review) CLI from GitHub releases.
+# curl -fsSL https://raw.githubusercontent.com/alibaba/open-code-review/main/install.sh | sh
+# Env: OCR_INSTALL_DIR (default /usr/local/bin), OCR_VERSION (default latest).
+set -eu
+
+main() {
+ REPO="alibaba/open-code-review"
+ BIN="ocr"
+ ASSET_PREFIX="opencodereview"
+ INSTALL_DIR="${OCR_INSTALL_DIR:-/usr/local/bin}"
+ VERSION="${OCR_VERSION:-}"
+
+ command -v curl >/dev/null 2>&1 || err "curl is required"
+
+ os="$(uname -s | tr '[:upper:]' '[:lower:]')"
+ case "$os" in
+ darwin|linux) ;;
+ *) err "unsupported OS: $os (download the Windows binary from GitHub releases)" ;;
+ esac
+
+ arch="$(uname -m)"
+ case "$arch" in
+ x86_64|amd64) arch="amd64" ;;
+ arm64|aarch64) arch="arm64" ;;
+ *) err "unsupported architecture: $arch" ;;
+ esac
+
+ if [ -z "$VERSION" ]; then
+ release_json="$(curl -fsSL "https://api.github.com/repos/$REPO/releases/latest")" ||
+ err "failed to fetch latest release info from github api"
+ VERSION="$(printf '%s' "$release_json" |
+ sed -n 's/.*"tag_name"[[:space:]]*:[[:space:]]*"\([^"]*\)".*/\1/p' | head -n1)"
+ [ -n "$VERSION" ] || err "could not resolve latest release tag"
+ fi
+
+ asset="${ASSET_PREFIX}-${os}-${arch}"
+ base="https://github.com/$REPO/releases/download/$VERSION"
+ tmp="$(mktemp -d)"
+ trap 'rm -rf "$tmp"' INT TERM EXIT
+
+ printf 'downloading %s %s (%s/%s)...\n' "$BIN" "$VERSION" "$os" "$arch"
+ curl -fsSL -o "$tmp/$asset" "$base/$asset" || err "download failed: $base/$asset"
+ curl -fsSL -o "$tmp/sha256sum.txt" "$base/sha256sum.txt" || err "sha256sum.txt download failed"
+
+ want="$(awk -v a="$asset" '$2 == a {print tolower($1)}' "$tmp/sha256sum.txt")"
+ [ -n "$want" ] || err "no checksum entry for $asset in sha256sum.txt"
+ got="$(sha256 "$tmp/$asset" | awk '{print tolower($1)}')"
+ [ "$got" = "$want" ] || err "checksum mismatch for $asset (got $got, want $want)"
+
+ install_binary "$tmp/$asset" "$INSTALL_DIR" "$BIN"
+
+ printf 'installed %s %s -> %s\n' "$BIN" "$VERSION" "$INSTALL_DIR/$BIN"
+ post_install_path_notice "$BIN" "$INSTALL_DIR"
+}
+
+# Install the staged binary (mode 0755), escalating with sudo only when needed.
+# Using install(1) under sudo gives the binary root ownership in system dirs.
+install_binary() {
+ src="$1"
+ dir="$2"
+ bin="$3"
+ if mkdir -p "$dir" 2>/dev/null && [ -w "$dir" ]; then
+ install -m 0755 "$src" "$dir/$bin"
+ elif command -v sudo >/dev/null 2>&1; then
+ printf 'note: %s is not writable; escalating with sudo\n' "$dir"
+ sudo mkdir -p "$dir"
+ sudo install -m 0755 "$src" "$dir/$bin"
+ else
+ err "$dir is not writable and sudo is unavailable; set OCR_INSTALL_DIR to a writable path"
+ fi
+}
+
+post_install_path_notice() {
+ bin="$1"
+ install_dir="$2"
+ case ":$PATH:" in
+ *":$install_dir:"*) ;;
+ *) printf 'note: %s is not on your PATH; add it or run %s/%s directly\n' "$install_dir" "$install_dir" "$bin"; return ;;
+ esac
+ command -v "$bin" >/dev/null 2>&1 || printf 'note: open a new shell so %s resolves on PATH\n' "$bin"
+}
+
+# Print the SHA-256 of a file, preferring shasum (macOS) over sha256sum (Linux).
+sha256() {
+ if command -v shasum >/dev/null 2>&1; then
+ shasum -a 256 "$1"
+ elif command -v sha256sum >/dev/null 2>&1; then
+ sha256sum "$1"
+ else
+ err "shasum or sha256sum is required for checksum verification"
+ fi
+}
+
+err() { printf 'error: %s\n' "$1" >&2; exit 1; }
+
+main "$@"