diff --git a/src/setup-build-tools/index.js b/src/setup-build-tools/index.js
index a41e53d..7da6f48 100644
--- a/src/setup-build-tools/index.js
+++ b/src/setup-build-tools/index.js
@@ -32,6 +32,27 @@ async function getLatestCMakeVersion(githubToken) {
   }
 }
 
+function getCMakeBinDir(cmakePath, platform) {
+  if (platform === 'darwin') {
+    const macOsBinPath = path.join(cmakePath, 'CMake.app', 'Contents', 'bin');
+    if (fs.existsSync(macOsBinPath)) {
+      return macOsBinPath;
+    }
+  }
+  return path.join(cmakePath, 'bin');
+}
+
+function normalizeVcpkgVersion(version) {
+  const parts = version.split('.');
+  if (parts.length === 3) {
+    const year = parts[0];
+    const month = parseInt(parts[1], 10).toString();
+    const day = parseInt(parts[2], 10).toString();
+    return `${year}.${month}.${day}`;
+  }
+  return version;
+}
+
 // --- vcpkg Specific Helpers ---
 
 async function downloadVcpkgZip(version, hash, terrapinPath, disableTerrapin) {
@@ -312,7 +333,7 @@ async function run() {
     } // End CMake cache miss
 
     // Add CMake to PATH (if requested)
-    const cmakeBinPath = path.join(cmakeRootPath, 'bin');
+    const cmakeBinPath = getCMakeBinDir(cmakeRootPath, platform);
     if (!fs.existsSync(cmakeBinPath)) throw new Error(`CMake 'bin' directory not found: ${cmakeBinPath}`);
 
     if (addCMakeToPath) {
@@ -340,10 +361,11 @@ async function run() {
     // === vcpkg Setup ===
     core.startGroup('Setup vcpkg');
     const vcpkgToolName = 'vcpkg';
-    core.info(`Setting up vcpkg version: ${vcpkgVersion}`);
+    const normalizedVcpkgVersion = normalizeVcpkgVersion(vcpkgVersion);
+    core.info(`Setting up vcpkg version: ${vcpkgVersion} (normalized to ${normalizedVcpkgVersion})`);
 
     // vcpkg Cache Check
-    let finalVcpkgPath = tc.find(vcpkgToolName, vcpkgVersion); // vcpkg cache key seems simpler
+    let finalVcpkgPath = tc.find(vcpkgToolName, normalizedVcpkgVersion); // vcpkg cache key seems simpler
 
     if (finalVcpkgPath) {
       core.info(`Found cached vcpkg at: ${finalVcpkgPath}`);
@@ -355,7 +377,7 @@ async function run() {
       const vcpkgTempExtractPath = await extractVcpkgZip(vcpkgDownloadedZipPath);
       const vcpkgExtractedPath = findActualVcpkgDir(vcpkgTempExtractPath, vcpkgVersion);
       await bootstrapVcpkg(vcpkgExtractedPath);
-      finalVcpkgPath = await cacheVcpkgDir(vcpkgExtractedPath, vcpkgToolName, vcpkgVersion);
+      finalVcpkgPath = await cacheVcpkgDir(vcpkgExtractedPath, vcpkgToolName, normalizedVcpkgVersion);
       // Cleanup handled in finally block
     } // End vcpkg cache miss
 
@@ -381,4 +403,5 @@ if (require.main === module) {
 }
 
 // --- Exports ---
-module.exports = { run }; // Export only the main run function
+// Export the main run function and utility helpers
+module.exports = { run, getCMakeBinDir, normalizeVcpkgVersion };
diff --git a/test/setup-build-tools/index.test.js b/test/setup-build-tools/index.test.js
new file mode 100644
index 0000000..8d090be
--- /dev/null
+++ b/test/setup-build-tools/index.test.js
@@ -0,0 +1,27 @@
+const { getCMakeBinDir } = require('../../src/setup-build-tools/index');
+const fs = require('node:fs');
+const path = require('node:path');
+
+jest.mock('node:fs');
+
+describe('getCMakeBinDir', () => {
+  it('should return the correct bin path for linux', () => {
+    const cmakePath = '/path/to/cmake';
+    const expectedPath = path.join(cmakePath, 'bin');
+    expect(getCMakeBinDir(cmakePath, 'linux')).toBe(expectedPath);
+  });
+
+  it('should return the correct bin path for macos when the specific path exists', () => {
+    const cmakePath = '/path/to/cmake';
+    const macOsBinPath = path.join(cmakePath, 'CMake.app', 'Contents', 'bin');
+    fs.existsSync.mockReturnValue(true);
+    expect(getCMakeBinDir(cmakePath, 'darwin')).toBe(macOsBinPath);
+  });
+
+  it('should return the default bin path for macos when the specific path does not exist', () => {
+    const cmakePath = '/path/to/cmake';
+    const expectedPath = path.join(cmakePath, 'bin');
+    fs.existsSync.mockReturnValue(false);
+    expect(getCMakeBinDir(cmakePath, 'darwin')).toBe(expectedPath);
+  });
+});
diff --git a/test/setup-build-tools/vcpkg-version.test.js b/test/setup-build-tools/vcpkg-version.test.js
new file mode 100644
index 0000000..031680c
--- /dev/null
+++ b/test/setup-build-tools/vcpkg-version.test.js
@@ -0,0 +1,19 @@
+const { normalizeVcpkgVersion } = require('../../src/setup-build-tools/index');
+
+describe('normalizeVcpkgVersion', () => {
+  it('should remove leading zeros from month and day', () => {
+    expect(normalizeVcpkgVersion('2025.08.27')).toBe('2025.8.27');
+  });
+
+  it('should not change version string if it is already normalized', () => {
+    expect(normalizeVcpkgVersion('2025.8.27')).toBe('2025.8.27');
+  });
+
+  it('should handle version strings with no leading zeros', () => {
+    expect(normalizeVcpkgVersion('2025.10.10')).toBe('2025.10.10');
+  });
+
+  it('should return the original string if it is not in the expected format', () => {
+    expect(normalizeVcpkgVersion('2025.08')).toBe('2025.08');
+  });
+});