diff --git a/README.md b/README.md
index 258abebb3..ee443c441 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ OpenKnowledge is a beautiful, local-first markdown editor and LLM wiki with inte
   style="border-radius: 10px"
 />
 
-Available as [macOS app](https://github.com/inkeep/open-knowledge/releases/latest/download/Open-Knowledge-arm64.dmg) or [Web app/CLI](https://openknowledge.ai/docs/get-started/quickstart#ok-install-web-app-linux-intel-mac) for Linux, Windows, Intel Mac.
+Available as [macOS app](https://github.com/inkeep/open-knowledge/releases/latest/download/Open-Knowledge-arm64.dmg) or [Web app/CLI](https://openknowledge.ai/docs/get-started/quickstart#ok-install-web-app-linux-windows-intel-mac) for Linux, Windows, Intel Mac.
 
 # Features
 
diff --git a/docs/content/get-started/quickstart.mdx b/docs/content/get-started/quickstart.mdx
index c37bf18e7..662635895 100644
--- a/docs/content/get-started/quickstart.mdx
+++ b/docs/content/get-started/quickstart.mdx
@@ -2,7 +2,7 @@
 title: Quickstart
 description: Set up your agent-maintained knowledge base in less than five minutes.
 ---
-<Tabs groupId="ok-install" persist className="ok-flush-tabs" items={['macOS app', 'Web app (Linux · Intel Mac)']}>
+<Tabs groupId="ok-install" persist className="ok-flush-tabs" items={['macOS app', 'Web app (Linux, Windows, Intel Mac)']}>
 
 <Tab>
 
diff --git a/docs/scripts/validate-link.ts b/docs/scripts/validate-link.ts
index 8db1d5c71..f5140b811 100644
--- a/docs/scripts/validate-link.ts
+++ b/docs/scripts/validate-link.ts
@@ -1,6 +1,27 @@
 import { getTableOfContents } from 'fumadocs-core/content/toc';
 import { getSlugs } from 'fumadocs-core/source';
 import { printErrors, readFiles, scanURLs, validateFiles } from 'next-validate-link';
+import { composeTabId } from '../src/components/tabs';
+
+const TABS_OPEN_TAG = /<Tabs\b([^>]*)>/g;
+const GROUP_ID_ATTR = /groupId=["']([^"']+)["']/;
+const ITEMS_ATTR = /items=\{\[(.*?)\]\}/s;
+const STRING_LITERAL = /(['"])(.*?)\1/g;
+
+function tabHashes(content: string): string[] {
+  const hashes: string[] = [];
+  for (const tag of content.matchAll(TABS_OPEN_TAG)) {
+    const attrs = tag[1] ?? '';
+    const groupId = attrs.match(GROUP_ID_ATTR)?.[1];
+    const items = attrs.match(ITEMS_ATTR)?.[1];
+    if (!items) continue;
+    for (const literal of items.matchAll(STRING_LITERAL)) {
+      const id = composeTabId(literal[2], groupId);
+      if (id) hashes.push(id);
+    }
+  }
+  return hashes;
+}
 
 async function checkLinks() {
   const docsFiles = await readFiles(['content/**/*.{md,mdx}']);
@@ -10,7 +31,10 @@ async function checkLinks() {
       'docs/[...slug]': docsFiles.map((file) => {
         return {
           value: getSlugs(file.path.replace(/^content\//, '')),
-          hashes: getTableOfContents(file.content).map((item) => item.url.slice(1)),
+          hashes: [
+            ...getTableOfContents(file.content).map((item) => item.url.slice(1)),
+            ...tabHashes(file.content),
+          ],
         };
       }),
     },
diff --git a/docs/src/app/(home)/sections/call-to-action.tsx b/docs/src/app/(home)/sections/call-to-action.tsx
index ab166e788..e462f5b8d 100644
--- a/docs/src/app/(home)/sections/call-to-action.tsx
+++ b/docs/src/app/(home)/sections/call-to-action.tsx
@@ -113,7 +113,7 @@ export function CallToAction() {
               Download for macOS
             </MarketingButton>
             <Link
-              href="/docs/get-started/quickstart#ok-install-web-app-linux-intel-mac"
+              href="/docs/get-started/quickstart#ok-install-web-app-linux-windows-intel-mac"
               className="font-mono text-base text-slide-muted underline-offset-4 transition-colors hover:text-slide-text hover:underline"
             >
               or CLI
diff --git a/docs/src/app/(home)/sections/hero.tsx b/docs/src/app/(home)/sections/hero.tsx
index c2f9baa8e..b0623d086 100644
--- a/docs/src/app/(home)/sections/hero.tsx
+++ b/docs/src/app/(home)/sections/hero.tsx
@@ -55,7 +55,7 @@ export function Hero() {
             Download for macOS
           </MarketingButton>
           <Link
-            href="/docs/get-started/quickstart#ok-install-web-app-linux-intel-mac"
+            href="/docs/get-started/quickstart#ok-install-web-app-linux-windows-intel-mac"
             className="font-mono text-sm text-slide-muted underline-offset-4 transition-colors hover:text-slide-text hover:underline"
           >
             or CLI
diff --git a/docs/src/components/mcp-install.tsx b/docs/src/components/mcp-install.tsx
index 54c8ad971..7d9868b9f 100644
--- a/docs/src/components/mcp-install.tsx
+++ b/docs/src/components/mcp-install.tsx
@@ -12,7 +12,7 @@ export function McpInstall({ editor, children }: { editor: string; children?: Re
         </li>
         <li>
           <strong>Web app / terminal</strong> (Linux, Intel Mac — see the{' '}
-          <a href="/docs/get-started/quickstart#ok-install-web-app-linux-intel-mac">
+          <a href="/docs/get-started/quickstart#ok-install-web-app-linux-windows-intel-mac">
             web app guide
           </a>
           ). Run <code>ok init</code> in your project: it registers the OpenKnowledge MCP server
diff --git a/docs/src/components/tabs.test.ts b/docs/src/components/tabs.test.ts
index e6fac8c55..60f3e2a7f 100644
--- a/docs/src/components/tabs.test.ts
+++ b/docs/src/components/tabs.test.ts
@@ -55,8 +55,8 @@ describe('slugifyTabId', () => {
 describe('composeTabId (groupId-prefix URL composition)', () => {
   test('groupId + label → prefixed slug (the docs quickstart shape)', () => {
     expect(composeTabId('macOS app', 'ok-install')).toBe('ok-install-macos-app');
-    expect(composeTabId('Web app (Linux · Intel Mac)', 'ok-install')).toBe(
-      'ok-install-web-app-linux-intel-mac',
+    expect(composeTabId('Web app (Linux, Windows, Intel Mac)', 'ok-install')).toBe(
+      'ok-install-web-app-linux-windows-intel-mac',
     );
   });