diff --git a/frontend/src/core/components/onboarding/useOnboardingDownload.ts b/frontend/src/core/components/onboarding/useOnboardingDownload.ts
index 82abc29b8..5e23d9a0a 100644
--- a/frontend/src/core/components/onboarding/useOnboardingDownload.ts
+++ b/frontend/src/core/components/onboarding/useOnboardingDownload.ts
@@ -35,13 +35,8 @@ export function useOnboardingDownload(): UseOnboardingDownloadResult {
     switch (osType) {
       case "windows":
         return { label: "Windows", url: DOWNLOAD_URLS.WINDOWS };
-      case "mac-apple":
-        return {
-          label: "Mac (Apple Silicon)",
-          url: DOWNLOAD_URLS.MAC_APPLE_SILICON,
-        };
-      case "mac-intel":
-        return { label: "Mac (Intel)", url: DOWNLOAD_URLS.MAC_INTEL };
+      case "mac":
+        return { label: "Mac", url: DOWNLOAD_URLS.MAC };
       case "linux-x64":
       case "linux-arm64":
         return { label: "Linux", url: DOWNLOAD_URLS.LINUX_DOCS };
@@ -54,16 +49,7 @@ export function useOnboardingDownload(): UseOnboardingDownloadResult {
     () =>
       [
         { label: "Windows", url: DOWNLOAD_URLS.WINDOWS, value: "windows" },
-        {
-          label: "Mac (Apple Silicon)",
-          url: DOWNLOAD_URLS.MAC_APPLE_SILICON,
-          value: "mac-apple",
-        },
-        {
-          label: "Mac (Intel)",
-          url: DOWNLOAD_URLS.MAC_INTEL,
-          value: "mac-intel",
-        },
+        { label: "Mac", url: DOWNLOAD_URLS.MAC, value: "mac" },
         { label: "Linux", url: DOWNLOAD_URLS.LINUX_DOCS, value: "linux" },
       ].filter((opt) => opt.url),
     [],
diff --git a/frontend/src/core/constants/downloads.ts b/frontend/src/core/constants/downloads.ts
index e67f8f7da..cb5d2f21b 100644
--- a/frontend/src/core/constants/downloads.ts
+++ b/frontend/src/core/constants/downloads.ts
@@ -1,8 +1,7 @@
 // Centralized download URLs for Stirling PDF desktop installers
 export const DOWNLOAD_URLS = {
   WINDOWS: "https://files.stirlingpdf.com/win-installer.exe",
-  MAC_APPLE_SILICON: "https://files.stirlingpdf.com/mac-installer.dmg",
-  MAC_INTEL: "https://files.stirlingpdf.com/mac-x86_64-installer.dmg",
+  MAC: "https://files.stirlingpdf.com/mac-installer.dmg",
   LINUX_DOCS: "https://docs.stirlingpdf.com/Installation/Unix%20Installation/",
 } as const;
 
diff --git a/frontend/src/core/hooks/useOs.ts b/frontend/src/core/hooks/useOs.ts
index e4b37ad3f..bb24c049f 100644
--- a/frontend/src/core/hooks/useOs.ts
+++ b/frontend/src/core/hooks/useOs.ts
@@ -2,8 +2,7 @@ import { useEffect, useState } from "react";
 
 export type OS =
   | "windows"
-  | "mac-intel"
-  | "mac-apple"
+  | "mac"
   | "linux-x64"
   | "linux-arm64"
   | "ios"
@@ -23,15 +22,7 @@ function parseUA(ua: string): OS {
 
   if (/android/.test(uaLower)) return "android";
   if (/windows nt/.test(uaLower)) return "windows";
-  if (/mac os x/.test(uaLower)) {
-    // Default to Intel; refine via hints below
-    let detected: OS = "mac-intel";
-    // Safari on Apple Silicon sometimes exposes both tokens
-    if (ua.includes("Apple") && ua.includes("ARM")) {
-      detected = "mac-apple";
-    }
-    return detected; // will be further refined via Client Hints if available
-  }
+  if (/mac os x/.test(uaLower)) return "mac";
   if (/linux|x11/.test(uaLower)) return "linux-x64";
 
   return "unknown";
@@ -64,10 +55,7 @@ export function useOs(): OS {
           else if (plat.includes("ios")) detected = "ios";
           else if (plat.includes("android")) detected = "android";
           else if (plat.includes("mac")) {
-            // CH “architecture” is often "arm" on Apple Silicon
-            detected = architecture?.toLowerCase().includes("arm")
-              ? "mac-apple"
-              : "mac-intel";
+            detected = "mac";
           } else if (plat.includes("linux") || plat.includes("chrome os")) {
             const archLower = (architecture || "").toLowerCase();
             const isArm =
@@ -78,9 +66,6 @@ export function useOs(): OS {
         } catch {
           // ignore
         }
-      } else {
-        // Heuristic Apple Silicon from UA when no Client Hints (Safari): uncertain, prefer not to guess
-        // Keep detected as-is (often 'mac-intel').
       }
 
       if (!cancelled) setOs(detected);
diff --git a/frontend/src/saas/components/onboarding/useSaasOnboardingState.ts b/frontend/src/saas/components/onboarding/useSaasOnboardingState.ts
index ecba61bf2..e0728556f 100644
--- a/frontend/src/saas/components/onboarding/useSaasOnboardingState.ts
+++ b/frontend/src/saas/components/onboarding/useSaasOnboardingState.ts
@@ -46,13 +46,8 @@ export function useSaasOnboardingState({
     switch (osType) {
       case "windows":
         return { label: "Windows", url: DOWNLOAD_URLS.WINDOWS };
-      case "mac-apple":
-        return {
-          label: "Mac (Apple Silicon)",
-          url: DOWNLOAD_URLS.MAC_APPLE_SILICON,
-        };
-      case "mac-intel":
-        return { label: "Mac (Intel)", url: DOWNLOAD_URLS.MAC_INTEL };
+      case "mac":
+        return { label: "Mac", url: DOWNLOAD_URLS.MAC };
       case "linux-x64":
       case "linux-arm64":
         return { label: "Linux", url: DOWNLOAD_URLS.LINUX_DOCS };
@@ -64,16 +59,7 @@ export function useSaasOnboardingState({
   const osOptions = useMemo(() => {
     const options = [
       { label: "Windows", url: DOWNLOAD_URLS.WINDOWS, value: "windows" },
-      {
-        label: "Mac (Apple Silicon)",
-        url: DOWNLOAD_URLS.MAC_APPLE_SILICON,
-        value: "mac-apple",
-      },
-      {
-        label: "Mac (Intel)",
-        url: DOWNLOAD_URLS.MAC_INTEL,
-        value: "mac-intel",
-      },
+      { label: "Mac", url: DOWNLOAD_URLS.MAC, value: "mac" },
       { label: "Linux", url: DOWNLOAD_URLS.LINUX_DOCS, value: "linux" },
     ];
     return options.filter((opt) => opt.url);