diff --git a/website/src/__tests__/public-marketing-pages.test.tsx b/website/src/__tests__/public-marketing-pages.test.tsx
index 7585e3d..56a3e43 100644
--- a/website/src/__tests__/public-marketing-pages.test.tsx
+++ b/website/src/__tests__/public-marketing-pages.test.tsx
@@ -1036,7 +1036,44 @@ describe('public marketing pages', () => {
           role: null,
           accessStatus: null,
         },
-        platforms: [],
+        platforms: [
+          {
+            platform_key: 'windows',
+            platform: 'Windows',
+            subtitle: 'Primary shipping lane',
+            details: 'Current packaged validation is strongest on the Windows Unreal lane.',
+            configured: true,
+            channel: 'candidate',
+            version: '1.0.0',
+            build_id: 'win64-1000',
+            published_at: '2026-06-22T00:00:00.000Z',
+            file_name: 'HyperTwist-Windows.zip',
+            file_size_bytes: 1048576,
+            checksum_sha256: 'abc123',
+            download_url: null,
+            download_available: false,
+            validation_summary: {
+              lane: 'Windows Unreal packaged validation',
+              result: 'passed',
+              generated_at: '2026-06-22T01:43:08.7625247Z',
+              configuration: 'Development',
+              skip_build: true,
+              smoke_map_count: 2,
+              smoke_maps: [
+                {
+                  map_url: '/Game/HyperTwistTraining/Maps/L_HyperTwist_Magic120CellTraining',
+                  label: 'Magic120Cell dedicated-family training map',
+                  result: 'passed',
+                },
+                {
+                  map_url: '/Game/HyperTwistTraining/Maps/L_HyperTwist_MagicCube5DTraining',
+                  label: 'MagicCube5D dedicated-family training map',
+                  result: 'passed',
+                },
+              ],
+            },
+          },
+        ],
       },
     })
 
@@ -1049,6 +1086,8 @@ describe('public marketing pages', () => {
     expect(screen.getByText('Release rollout checklist')).toBeTruthy()
     expect(screen.getByText('Read the actual lane that changed')).toBeTruthy()
     expect(screen.getByText(/Pair the release note with the current packaged-validation summary/i)).toBeTruthy()
+    expect(screen.getByText('Current packaged desktop proof')).toBeTruthy()
+    expect(screen.getByText('Packaged validation passed')).toBeTruthy()
     expect(await screen.findByRole('link', { name: /open release feed/i })).toBeTruthy()
     expect(document.title).toBe('HyperTwist release notes | HyperTwist')
     expect(document.head.querySelector('meta[property=\"og:url\"]')?.getAttribute('content')).toBe('https://hypertwist.app/changelog')
@@ -1107,13 +1146,52 @@ describe('public marketing pages', () => {
           role: null,
           accessStatus: null,
         },
-        platforms: [],
+        platforms: [
+          {
+            platform_key: 'windows',
+            platform: 'Windows',
+            subtitle: 'Primary shipping lane',
+            details: 'Current packaged validation is strongest on the Windows Unreal lane.',
+            configured: true,
+            channel: 'candidate',
+            version: '1.0.0',
+            build_id: 'win64-1000',
+            published_at: '2026-06-22T00:00:00.000Z',
+            file_name: 'HyperTwist-Windows.zip',
+            file_size_bytes: 1048576,
+            checksum_sha256: 'abc123',
+            download_url: null,
+            download_available: false,
+            validation_summary: {
+              lane: 'Windows Unreal packaged validation',
+              result: 'passed',
+              generated_at: '2026-06-22T01:43:08.7625247Z',
+              configuration: 'Development',
+              skip_build: true,
+              smoke_map_count: 2,
+              smoke_maps: [
+                {
+                  map_url: '/Game/HyperTwistTraining/Maps/L_HyperTwist_Magic120CellTraining',
+                  label: 'Magic120Cell dedicated-family training map',
+                  result: 'passed',
+                },
+                {
+                  map_url: '/Game/HyperTwistTraining/Maps/L_HyperTwist_MagicCube5DTraining',
+                  label: 'MagicCube5D dedicated-family training map',
+                  result: 'passed',
+                },
+              ],
+            },
+          },
+        ],
       },
     })
 
-    renderWithProviders(<OpenSourceNoticesPage />, ['/open-source-notices'])
-    expect(screen.getByText('Distribution doctrine')).toBeTruthy()
-    expect(screen.getByText('Public pages are distribution surfaces')).toBeTruthy()
+    const noticesView = renderWithProviders(<OpenSourceNoticesPage />, ['/open-source-notices'])
+    expect(within(noticesView.container).getByText('Distribution doctrine')).toBeTruthy()
+    expect(within(noticesView.container).getByText('Public pages are distribution surfaces')).toBeTruthy()
+    expect(within(noticesView.container).getByText('Current packaged desktop proof')).toBeTruthy()
+    expect(within(noticesView.container).getByText('Packaged validation passed')).toBeTruthy()
 
     renderWithProviders(<PrivacyPage />, ['/privacy'])
     expect(screen.getByText('Practical privacy boundary')).toBeTruthy()
@@ -1123,8 +1201,10 @@ describe('public marketing pages', () => {
     expect(screen.getByText('Terms in practice')).toBeTruthy()
     expect(screen.getByText('Access model')).toBeTruthy()
 
-    renderWithProviders(<ShippingPaymentPage />, ['/shipping-payment'])
-    expect(screen.getByText('Digital delivery workflow')).toBeTruthy()
-    expect(screen.getByText('Protected entitlement handoff')).toBeTruthy()
+    const shippingPaymentView = renderWithProviders(<ShippingPaymentPage />, ['/shipping-payment'])
+    expect(within(shippingPaymentView.container).getByText('Digital delivery workflow')).toBeTruthy()
+    expect(within(shippingPaymentView.container).getByText('Protected entitlement handoff')).toBeTruthy()
+    expect(within(shippingPaymentView.container).getByText('Current packaged desktop proof')).toBeTruthy()
+    expect(within(shippingPaymentView.container).getByText('Packaged validation passed')).toBeTruthy()
   })
 })
diff --git a/website/src/pages/public-pages-commerce.tsx b/website/src/pages/public-pages-commerce.tsx
index 5383d5d..550b837 100644
--- a/website/src/pages/public-pages-commerce.tsx
+++ b/website/src/pages/public-pages-commerce.tsx
@@ -338,6 +338,10 @@ export function OpenSourceNoticesPage() {
     () => resolveReleaseManifestView(releaseManifestQuery.data?.manifest, buildPublicReleaseManifestFallback()),
     [releaseManifestQuery.data?.manifest],
   )
+  const windowsValidationPlatform = useMemo(
+    () => releaseManifest.platforms.find((platform) => platform.platform_key === 'windows' && platform.validation_summary) ?? null,
+    [releaseManifest],
+  )
 
   return (
     <>
@@ -399,6 +403,20 @@ export function OpenSourceNoticesPage() {
           <PublicLaunchStatus title="Notices and corresponding-source readiness" />
         </Section>
 
+        {windowsValidationPlatform ? (
+          <Section title="Current packaged desktop proof">
+            <ReleaseValidationSummary platform={windowsValidationPlatform} />
+            <div className="button-row top-gap">
+              <Link className="button button--ghost" to="/download">
+                Open download center
+              </Link>
+              <Link className="button button--ghost" to="/changelog">
+                Review release notes
+              </Link>
+            </div>
+          </Section>
+        ) : null}
+
         <Section
           title="Distribution doctrine"
           description="These public legal surfaces should explain why the website is part of the release story without pretending it has replaced the native simulator."
@@ -515,6 +533,20 @@ export function TermsPage() {
 }
 
 export function ShippingPaymentPage() {
+  const releaseManifestQuery = useQuery({
+    queryKey: ['release-manifest', 'public'],
+    queryFn: getReleaseManifest,
+    retry: false,
+  })
+  const releaseManifest = useMemo(
+    () => resolveReleaseManifestView(releaseManifestQuery.data?.manifest, buildPublicReleaseManifestFallback()),
+    [releaseManifestQuery.data?.manifest],
+  )
+  const windowsValidationPlatform = useMemo(
+    () => releaseManifest.platforms.find((platform) => platform.platform_key === 'windows' && platform.validation_summary) ?? null,
+    [releaseManifest],
+  )
+
   return (
     <>
       <SiteMetadata
@@ -556,6 +588,20 @@ export function ShippingPaymentPage() {
             ))}
           </div>
         </Section>
+
+        {windowsValidationPlatform ? (
+          <Section title="Current packaged desktop proof">
+            <ReleaseValidationSummary platform={windowsValidationPlatform} />
+            <div className="button-row top-gap">
+              <Link className="button button--ghost" to="/download">
+                Open download center
+              </Link>
+              <Link className="button button--ghost" to="/open-source-notices">
+                Review notices
+              </Link>
+            </div>
+          </Section>
+        ) : null}
       </MarketingShell>
     </>
   )
diff --git a/website/src/pages/public-pages-marketing.tsx b/website/src/pages/public-pages-marketing.tsx
index 59d6256..08b1079 100644
--- a/website/src/pages/public-pages-marketing.tsx
+++ b/website/src/pages/public-pages-marketing.tsx
@@ -876,6 +876,10 @@ export function ChangelogPage() {
     () => resolveReleaseManifestView(releaseManifestQuery.data?.manifest, buildPublicReleaseManifestFallback()),
     [releaseManifestQuery.data?.manifest],
   )
+  const windowsValidationPlatform = useMemo(
+    () => releaseManifest.platforms.find((platform) => platform.platform_key === 'windows' && platform.validation_summary) ?? null,
+    [releaseManifest],
+  )
 
   return (
     <>
@@ -938,6 +942,20 @@ export function ChangelogPage() {
           </div>
         </Section>
 
+        {windowsValidationPlatform ? (
+          <Section title="Current packaged desktop proof">
+            <ReleaseValidationSummary platform={windowsValidationPlatform} />
+            <div className="button-row top-gap">
+              <Link className="button button--ghost" to="/download">
+                Open download center
+              </Link>
+              <Link className="button button--ghost" to="/docs">
+                Open public manual
+              </Link>
+            </div>
+          </Section>
+        ) : null}
+
         {releaseManifest.release_notes_url ? (
           <Section title="External release notes">
             <a className="button button--ghost" href={releaseManifest.release_notes_url} target="_blank" rel="noreferrer">