diff --git a/electron/main.ts b/electron/main.ts
index 9925665..16664cb 100644
--- a/electron/main.ts
+++ b/electron/main.ts
@@ -199,7 +199,7 @@ function getExpandedShellPath(): string {
     return [...new Set(allParts)].join(sep);
   } else {
     const basePath = `/usr/local/bin:/opt/homebrew/bin:/usr/bin:/bin`;
-    const raw = `${basePath}:${home}/.npm-global/bin:${home}/.local/bin:${home}/.claude/bin:${home}/.codepilot/node/bin:${shellPath}`;
+    const raw = `${basePath}:${home}/.npm-global/bin:${home}/.local/bin:${home}/.claude/bin:${shellPath}`;
     const allParts = raw.split(':').filter(Boolean);
     return [...new Set(allParts)].join(':');
   }
@@ -459,7 +459,14 @@ app.whenReady().then(async () => {
       // claude not found
     }
 
-    return { hasNode, nodeVersion, hasClaude, claudeVersion };
+    // Check Homebrew on macOS
+    let hasHomebrew = false;
+    if (process.platform === 'darwin') {
+      const brewPaths = ['/opt/homebrew/bin/brew', '/usr/local/bin/brew'];
+      hasHomebrew = brewPaths.some(p => fs.existsSync(p));
+    }
+
+    return { hasNode, nodeVersion, hasClaude, claudeVersion, hasHomebrew, platform: process.platform };
   });
 
   ipcMain.handle('install:start', (_event: Electron.IpcMainInvokeEvent, options?: { includeNode?: boolean }) => {
@@ -528,7 +535,7 @@ app.whenReady().then(async () => {
             let args: string[];
 
             if (isMac) {
-              // Try Homebrew first, fallback to official tarball download
+              // macOS: Homebrew only — UI should guide the user to install Homebrew first
               const brewPaths = ['/opt/homebrew/bin/brew', '/usr/local/bin/brew'];
               const brewPath = brewPaths.find(p => fs.existsSync(p));
               if (brewPath) {
@@ -536,15 +543,9 @@ app.whenReady().then(async () => {
                 args = ['install', 'node'];
                 addLog(`Running: ${brewPath} install node`);
               } else {
-                // Fallback: download official Node.js binary tarball (no Homebrew/sudo needed)
-                const arch = process.arch === 'arm64' ? 'arm64' : 'x64';
-                const nodeVersion = 'v22.12.0';
-                const nodeDir = path.join(home, '.codepilot', 'node');
-                const tarballUrl = `https://nodejs.org/dist/${nodeVersion}/node-${nodeVersion}-darwin-${arch}.tar.gz`;
-                addLog(`Homebrew not found. Downloading Node.js ${nodeVersion} from nodejs.org...`);
-                addLog(`Architecture: ${arch}, Target: ${nodeDir}`);
-                cmd = 'sh';
-                args = ['-c', `mkdir -p "${nodeDir}" && curl -fsSL "${tarballUrl}" | tar xz --strip-components=1 -C "${nodeDir}"`];
+                addLog('Homebrew is required. Please install Homebrew first and retry.');
+                resolve(false);
+                return;
               }
             } else if (isWin) {
               cmd = 'winget';
diff --git a/src/components/layout/InstallWizard.tsx b/src/components/layout/InstallWizard.tsx
index e0ca98b..a8467d4 100644
--- a/src/components/layout/InstallWizard.tsx
+++ b/src/components/layout/InstallWizard.tsx
@@ -54,6 +54,8 @@ interface PrereqResult {
   nodeVersion?: string;
   hasClaude: boolean;
   claudeVersion?: string;
+  hasHomebrew?: boolean;
+  platform?: string;
 }
 
 function getInstallAPI() {
@@ -88,6 +90,7 @@ export function InstallWizard({
   const [progress, setProgress] = useState<InstallProgress | null>(null);
   const [logs, setLogs] = useState<string[]>([]);
   const [copied, setCopied] = useState(false);
+  const [copiedBrew, setCopiedBrew] = useState(false);
   const [prereqs, setPrereqs] = useState<PrereqResult | null>(null);
   const logEndRef = useRef<HTMLDivElement>(null);
   const cleanupRef = useRef<(() => void) | null>(null);
@@ -223,6 +226,7 @@ export function InstallWizard({
       setLogs([]); // eslint-disable-line react-hooks/set-state-in-effect
       setProgress(null); // eslint-disable-line react-hooks/set-state-in-effect
       setCopied(false); // eslint-disable-line react-hooks/set-state-in-effect
+      setCopiedBrew(false); // eslint-disable-line react-hooks/set-state-in-effect
       setPrereqs(null); // eslint-disable-line react-hooks/set-state-in-effect
       checkPrereqs();
     }
@@ -288,12 +292,53 @@ export function InstallWizard({
           )}
 
           {/* Phase: confirm — ask user before installing */}
-          {phase === "confirm" && (
+          {phase === "confirm" && prereqs && !prereqs.hasNode && !prereqs.hasHomebrew && prereqs.platform === "darwin" && (
+            <div className="space-y-3">
+              <div className="rounded-lg bg-amber-500/10 px-4 py-3 text-sm space-y-1.5">
+                <p className="text-amber-700 dark:text-amber-400 font-medium">
+                  {t('install.homebrewRequired')}
+                </p>
+                <p className="text-muted-foreground text-xs">
+                  {t('install.homebrewDescription')}
+                </p>
+              </div>
+              <div className="rounded-md bg-zinc-950 dark:bg-zinc-900 border border-zinc-800 px-3 py-2.5 flex items-center gap-2">
+                <code className="flex-1 text-xs text-zinc-300 break-all select-all">
+                  /bin/bash -c &quot;$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)&quot;
+                </code>
+                <Button
+                  variant="ghost"
+                  size="sm"
+                  className="shrink-0 h-7 px-2"
+                  onClick={async () => {
+                    try {
+                      await navigator.clipboard.writeText('/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"');
+                      setCopiedBrew(true);
+                      setTimeout(() => setCopiedBrew(false), 2000);
+                    } catch { /* clipboard not available */ }
+                  }}
+                >
+                  <HugeiconsIcon icon={Copy01Icon} className="size-3.5" />
+                  <span className="text-xs">{copiedBrew ? t('install.copied') : t('install.copy')}</span>
+                </Button>
+              </div>
+              <div className="text-sm text-muted-foreground space-y-1">
+                <p>{t('install.homebrewSteps')}</p>
+                <ol className="list-decimal list-inside space-y-0.5 text-xs">
+                  <li>{t('install.homebrewStep1')}</li>
+                  <li>{t('install.homebrewStep2')}</li>
+                  <li>{t('install.homebrewStep3')}</li>
+                  <li>{t('install.homebrewStep4')}</li>
+                </ol>
+              </div>
+            </div>
+          )}
+          {phase === "confirm" && !(prereqs && !prereqs.hasNode && !prereqs.hasHomebrew && prereqs.platform === "darwin") && (
             <div className="space-y-3">
               <div className="rounded-lg bg-amber-500/10 px-4 py-3 text-sm space-y-1.5">
                 {prereqs && !prereqs.hasNode && (
                   <p className="text-amber-700 dark:text-amber-400">
-                    Node.js — not found (will be installed via {process.platform === "win32" ? "winget" : "Homebrew"})
+                    Node.js — not found (will be installed via {prereqs.platform === "win32" ? "winget" : "Homebrew"})
                   </p>
                 )}
                 {prereqs?.hasNode && (
@@ -369,8 +414,13 @@ export function InstallWizard({
             </Button>
           )}
 
-          {/* Confirm phase: single "Install" button */}
-          {phase === "confirm" && (
+          {/* Confirm phase: "Recheck" when Homebrew missing on macOS, otherwise "Install" */}
+          {phase === "confirm" && prereqs && !prereqs.hasNode && !prereqs.hasHomebrew && prereqs.platform === "darwin" && (
+            <Button size="sm" onClick={checkPrereqs}>
+              {t('install.recheck')}
+            </Button>
+          )}
+          {phase === "confirm" && !(prereqs && !prereqs.hasNode && !prereqs.hasHomebrew && prereqs.platform === "darwin") && (
             <Button size="sm" onClick={handleConfirmInstall}>
               <HugeiconsIcon icon={Download04Icon} />
               {t('install.install')}
diff --git a/src/i18n/en.ts b/src/i18n/en.ts
index f359553..52ecf4a 100644
--- a/src/i18n/en.ts
+++ b/src/i18n/en.ts
@@ -267,6 +267,15 @@ const en = {
   'install.cancel': 'Cancel',
   'install.retry': 'Retry',
   'install.done': 'Done',
+  'install.recheck': 'Recheck',
+  'install.copy': 'Copy',
+  'install.homebrewRequired': 'Homebrew is required',
+  'install.homebrewDescription': 'Homebrew is the package manager for macOS. Node.js installation requires it.',
+  'install.homebrewSteps': 'Follow these steps:',
+  'install.homebrewStep1': 'Open Terminal',
+  'install.homebrewStep2': 'Paste the command above and press Enter',
+  'install.homebrewStep3': 'Follow the on-screen instructions to complete the installation',
+  'install.homebrewStep4': 'Come back here and click "Recheck"',
 
   // ── Task list ───────────────────────────────────────────────
   'tasks.all': 'All',
diff --git a/src/i18n/zh.ts b/src/i18n/zh.ts
index f3d943c..4caa06f 100644
--- a/src/i18n/zh.ts
+++ b/src/i18n/zh.ts
@@ -264,6 +264,15 @@ const zh: Record<TranslationKey, string> = {
   'install.cancel': '取消',
   'install.retry': '重试',
   'install.done': '完成',
+  'install.recheck': '重新检测',
+  'install.copy': '复制',
+  'install.homebrewRequired': '需要先安装 Homebrew',
+  'install.homebrewDescription': 'Homebrew 是 macOS 的包管理器，安装 Node.js 需要它。',
+  'install.homebrewSteps': '请按以下步骤操作：',
+  'install.homebrewStep1': '打开终端（Terminal）',
+  'install.homebrewStep2': '粘贴上面的命令并按回车',
+  'install.homebrewStep3': '按提示完成安装',
+  'install.homebrewStep4': '回到这里点击"重新检测"',
 
   // ── Task list ───────────────────────────────────────────────
   'tasks.all': '全部',