diff --git a/Libraries/Core/ReactNativeVersion.js b/Libraries/Core/ReactNativeVersion.js
index 243fe2b5406591..2f62979ecdbd45 100644
--- a/Libraries/Core/ReactNativeVersion.js
+++ b/Libraries/Core/ReactNativeVersion.js
@@ -9,9 +9,14 @@
  * @flow strict
  */
 
+
+// [TODO(macOS GH#944)
+// Note: Be careful not to override these version numbers
+// when we merge upstream stable branches into main
+// TODO(macOS GH#944)]
 exports.version = {
   major: 0,
-  minor: 66,
+  minor: 0,
   patch: 0,
   prerelease: null,
 };
diff --git a/React/Base/RCTVersion.m b/React/Base/RCTVersion.m
index cb38957f24f942..afdb975b20cbf5 100644
--- a/React/Base/RCTVersion.m
+++ b/React/Base/RCTVersion.m
@@ -14,7 +14,10 @@
 NSString* const RCTVersionPatch = @"patch";
 NSString* const RCTVersionPrerelease = @"prerelease";
 
-
+// [TODO(macOS GH#944)
+// Note: Be careful not to override these version numbers
+// when we merge upstream stable branches into main
+// TODO(macOS GH#944)]
 NSDictionary* RCTGetReactNativeVersion(void)
 {
   static NSDictionary* __rnVersion;
@@ -22,7 +25,7 @@
   dispatch_once(&onceToken, ^(void){
     __rnVersion = @{
                   RCTVersionMajor: @(0),
-                  RCTVersionMinor: @(66),
+                  RCTVersionMinor: @(0),
                   RCTVersionPatch: @(0),
                   RCTVersionPrerelease: [NSNull null],
                   };
diff --git a/ReactAndroid/src/main/java/com/facebook/react/modules/systeminfo/ReactNativeVersion.java b/ReactAndroid/src/main/java/com/facebook/react/modules/systeminfo/ReactNativeVersion.java
index 3024ab3dfd41a5..7fbaf3b0781129 100644
--- a/ReactAndroid/src/main/java/com/facebook/react/modules/systeminfo/ReactNativeVersion.java
+++ b/ReactAndroid/src/main/java/com/facebook/react/modules/systeminfo/ReactNativeVersion.java
@@ -13,10 +13,14 @@
 
 import java.util.Map;
 
+// [TODO(macOS GH#944)
+// Note: Be careful not to override these version numbers
+// when we merge upstream stable branches into main
+// TODO(macOS GH#944)]
 public class ReactNativeVersion {
   public static final Map<String, Object> VERSION = MapBuilder.<String, Object>of(
       "major", 0,
-      "minor", 66,
+      "minor", 0,
       "patch", 0,
       "prerelease", null);
 }
diff --git a/ReactCommon/cxxreact/ReactNativeVersion.h b/ReactCommon/cxxreact/ReactNativeVersion.h
index e3a3377e14bd20..4627926ac16766 100644
--- a/ReactCommon/cxxreact/ReactNativeVersion.h
+++ b/ReactCommon/cxxreact/ReactNativeVersion.h
@@ -14,9 +14,13 @@
 
 namespace facebook::react {
 
+// [TODO(macOS GH#944)
+// Note: Be careful not to override these version numbers
+// when we merge upstream stable branches into main
+// TODO(macOS GH#944)]
 constexpr struct {
   int32_t Major = 0;
-  int32_t Minor = 66;
+  int32_t Minor = 0;
   int32_t Patch = 0;
   std::string_view Prerelease = "";
 } ReactNativeVersion;
diff --git a/scripts/versiontemplates/RCTVersion.m.template b/scripts/versiontemplates/RCTVersion.m.template
index 5df4b8fabdb477..ee783d0106b6f4 100644
--- a/scripts/versiontemplates/RCTVersion.m.template
+++ b/scripts/versiontemplates/RCTVersion.m.template
@@ -15,6 +15,10 @@ NSString* const RCTVersionPatch = @"patch";
 NSString* const RCTVersionPrerelease = @"prerelease";
 
 
+// [TODO(macOS GH#944)
+// Note: Be careful not to override these version numbers
+// when we merge upstream stable branches into main
+// TODO(macOS GH#944)]
 NSDictionary* RCTGetReactNativeVersion(void)
 {
   static NSDictionary* __rnVersion;
diff --git a/scripts/versiontemplates/ReactNativeVersion.h.template b/scripts/versiontemplates/ReactNativeVersion.h.template
index ed9d242c72a43d..2b4b584e93a2d6 100644
--- a/scripts/versiontemplates/ReactNativeVersion.h.template
+++ b/scripts/versiontemplates/ReactNativeVersion.h.template
@@ -14,6 +14,10 @@
 
 namespace facebook::react {
 
+// [TODO(macOS GH#944)
+// Note: Be careful not to override these version numbers
+// when we merge upstream stable branches into main
+// TODO(macOS GH#944)]
 constexpr struct {
   int32_t Major = ${major};
   int32_t Minor = ${minor};
diff --git a/scripts/versiontemplates/ReactNativeVersion.java.template b/scripts/versiontemplates/ReactNativeVersion.java.template
index 94d103f10002a9..6134b9f3969c32 100644
--- a/scripts/versiontemplates/ReactNativeVersion.java.template
+++ b/scripts/versiontemplates/ReactNativeVersion.java.template
@@ -13,6 +13,10 @@ import com.facebook.react.common.MapBuilder;
 
 import java.util.Map;
 
+// [TODO(macOS GH#944)
+// Note: Be careful not to override these version numbers
+// when we merge upstream stable branches into main
+// TODO(macOS GH#944)]
 public class ReactNativeVersion {
   public static final Map<String, Object> VERSION = MapBuilder.<String, Object>of(
       "major", ${major},
diff --git a/scripts/versiontemplates/ReactNativeVersion.js.template b/scripts/versiontemplates/ReactNativeVersion.js.template
index 72bfcfef110580..a2ceea7dc227e2 100644
--- a/scripts/versiontemplates/ReactNativeVersion.js.template
+++ b/scripts/versiontemplates/ReactNativeVersion.js.template
@@ -9,6 +9,10 @@
  * @flow strict
  */
 
+// [TODO(macOS GH#944)
+// Note: Be careful not to override these version numbers
+// when we merge upstream stable branches into main
+// TODO(macOS GH#944)]
 exports.version = {
   major: ${major},
   minor: ${minor},
diff --git a/template/package.json b/template/package.json
index 5cf9a0f48d0196..cafc838a718f0c 100644
--- a/template/package.json
+++ b/template/package.json
@@ -5,13 +5,14 @@
   "scripts": {
     "android": "react-native run-android",
     "ios": "react-native run-ios",
+    "macos": "react-native run-macos",
     "start": "react-native start",
     "test": "jest",
     "lint": "eslint ."
   },
   "dependencies": {
     "react": "17.0.2",
-    "react-native": "0.66.0"
+    "react-native-macos": "1000.0.0"
   },
   "devDependencies": {
     "@babel/core": "^7.12.9",