diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index f298c3f..055d95d 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -52,13 +52,14 @@ jobs:
         run: ./vendor/bin/phpunit --testsuite=Integration
 
   unit:
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
     needs:
       - php-cs-fixer
     strategy:
       matrix:
         php: [8.1, 8.2, 8.3]
         dependencies: [ 'lowest', 'highest' ]
+        os: [ubuntu-latest, windows-latest]
     steps:
       - uses: actions/checkout@v4
       - uses: shivammathur/setup-php@v2
@@ -79,4 +80,4 @@ jobs:
         run: |
           composer global require php-coveralls/php-coveralls
           php-coveralls --coverage_clover=clover.xml -v
-        if: ${{ github.event_name == 'push' && matrix.php == '8.1' && matrix.dependencies == 'highest' }}
+        if: ${{ github.event_name == 'push' && matrix.os == 'ubuntu-latest' && matrix.php == '8.1' && matrix.dependencies == 'highest' }}
diff --git a/src/Installer/ExecutableInstaller.php b/src/Installer/ExecutableInstaller.php
new file mode 100644
index 0000000..b3ef757
--- /dev/null
+++ b/src/Installer/ExecutableInstaller.php
@@ -0,0 +1,33 @@
+<?php
+
+namespace LastCall\DownloadsPlugin\Installer;
+
+use Composer\Installer\BinaryInstaller;
+use Composer\IO\IOInterface;
+use Composer\Util\Platform;
+use Composer\Util\ProcessExecutor;
+use LastCall\DownloadsPlugin\Composer\Package\ExtraDownloadInterface;
+
+class ExecutableInstaller implements ExecutableInstallerInterface
+{
+    public function __construct(private IOInterface $io)
+    {
+    }
+
+    public function install(ExtraDownloadInterface $extraDownload): void
+    {
+        foreach ($extraDownload->getExecutablePaths() as $path) {
+            if (Platform::isWindows() || Platform::isWindowsSubsystemForLinux()) {
+                $proxy = $path.'.bat';
+                if (file_exists($proxy)) {
+                    $this->io->writeError(sprintf('    Skipped installation of bin %s.bat proxy for package %s: a .bat proxy was already installed', $path, $extraDownload->getName()));
+                } else {
+                    $caller = BinaryInstaller::determineBinaryCaller($path);
+                    file_put_contents($proxy, '@'.$caller.' "%~dp0'.ProcessExecutor::escape(basename($proxy, '.bat')).'" %*');
+                }
+            } else {
+                chmod($path, 0777 & ~umask());
+            }
+        }
+    }
+}
diff --git a/src/Installer/ExecutableInstallerInterface.php b/src/Installer/ExecutableInstallerInterface.php
new file mode 100644
index 0000000..b2015ea
--- /dev/null
+++ b/src/Installer/ExecutableInstallerInterface.php
@@ -0,0 +1,10 @@
+<?php
+
+namespace LastCall\DownloadsPlugin\Installer;
+
+use LastCall\DownloadsPlugin\Composer\Package\ExtraDownloadInterface;
+
+interface ExecutableInstallerInterface
+{
+    public function install(ExtraDownloadInterface $extraDownload): void;
+}
diff --git a/tests/Unit/Composer/Package/ExtraDownloadTest.php b/tests/Unit/Composer/Package/ExtraDownloadTest.php
index 0983e81..aa2b3ce 100644
--- a/tests/Unit/Composer/Package/ExtraDownloadTest.php
+++ b/tests/Unit/Composer/Package/ExtraDownloadTest.php
@@ -61,7 +61,7 @@ public function testGetInstallPathWhenParentPackageIsInstalled(): void
         $parent = new Package($parentName, 'any version', 'any pretty version');
         $this->createExtraDownload($parent, $this->hash);
         $this->assertSame(
-            realpath(__DIR__.'/../../../../vendor/composer/').'/../'.$parentName.'/'.$this->path,
+            realpath(__DIR__.'/../../../../vendor/composer/').'/../'.$parentName.\DIRECTORY_SEPARATOR.$this->path,
             $this->extraDownload->getInstallPath()
         );
     }
@@ -79,8 +79,8 @@ public function testGetExecutablePathsWhenParentPackageIsInstalled(): void
         $parent = new Package($parentName, 'any version', 'any pretty version');
         $this->createExtraDownload($parent, $this->hash);
         $this->assertSame([
-            realpath(__DIR__.'/../../../../vendor/composer/').'/../'.$parentName.'/file1',
-            realpath(__DIR__.'/../../../../vendor/composer/').'/../'.$parentName.'/path/to/file2',
+            realpath(__DIR__.'/../../../../vendor/composer/').'/../'.$parentName.\DIRECTORY_SEPARATOR.'file1',
+            realpath(__DIR__.'/../../../../vendor/composer/').'/../'.$parentName.\DIRECTORY_SEPARATOR.'path/to/file2',
         ], $this->extraDownload->getExecutablePaths());
     }
 
diff --git a/tests/Unit/Composer/Package/InstallPath/InstallPathTest.php b/tests/Unit/Composer/Package/InstallPath/InstallPathTest.php
index 1939ae2..1d8002b 100644
--- a/tests/Unit/Composer/Package/InstallPath/InstallPathTest.php
+++ b/tests/Unit/Composer/Package/InstallPath/InstallPathTest.php
@@ -40,7 +40,7 @@ public function testConvertToAbsoluteWhenPackageIsInstalled(): void
             ->method('getName')
             ->willReturn($name);
         $this->assertSame(
-            realpath(__DIR__.'/../../../../../vendor/composer/').'/../'.$name.'/'.$this->relative,
+            realpath(__DIR__.'/../../../../../vendor/composer/').'/../'.$name.\DIRECTORY_SEPARATOR.$this->relative,
             $this->installPath->convertToAbsolute($this->relative)
         );
     }
diff --git a/tests/Unit/Installer/ExecutableInstallerTest.php b/tests/Unit/Installer/ExecutableInstallerTest.php
new file mode 100644
index 0000000..d3210e8
--- /dev/null
+++ b/tests/Unit/Installer/ExecutableInstallerTest.php
@@ -0,0 +1,88 @@
+<?php
+
+namespace LastCall\DownloadsPlugin\Tests\Unit\Installer;
+
+use Composer\IO\IOInterface;
+use LastCall\DownloadsPlugin\Composer\Package\ExtraDownloadInterface;
+use LastCall\DownloadsPlugin\Installer\ExecutableInstaller;
+use LastCall\DownloadsPlugin\Installer\ExecutableInstallerInterface;
+use PHPUnit\Framework\MockObject\MockObject;
+use PHPUnit\Framework\TestCase;
+use VirtualFileSystem\FileSystem;
+
+class ExecutableInstallerTest extends TestCase
+{
+    private ?FileSystem $fs = null;
+    private IOInterface|MockObject $io;
+    private ExtraDownloadInterface|MockObject $extraDownload;
+    private ExecutableInstallerInterface $installer;
+    private string $name = 'vendor/package-name:executable-file';
+    private array $executablePaths = [
+        false => '/path/to/files/file1',
+        true => '/path/to/files/other/path/to/file2',
+    ];
+
+    protected function setUp(): void
+    {
+        $this->fs = new FileSystem();
+        $this->io = $this->createMock(IOInterface::class);
+        $this->extraDownload = $this->createMock(ExtraDownloadInterface::class);
+        $this->installer = new ExecutableInstaller($this->io);
+        $this->createDirectoryAndFiles();
+    }
+
+    protected function tearDown(): void
+    {
+        $this->fs = null;
+    }
+
+    public function testInstall(): void
+    {
+        $this->extraDownload
+            ->expects($this->once())
+            ->method('getExecutablePaths')
+            ->willReturn(array_map(fn (string $path) => $this->fs->path($path), $this->executablePaths));
+        if (\PHP_OS_FAMILY === 'Windows') {
+            $this->extraDownload
+                ->expects($this->once())
+                ->method('getName')
+                ->willReturn($this->name);
+            $this->io
+                ->expects($this->once())
+                ->method('writeError')
+                ->with('    Skipped installation of bin '.$this->fs->path('/path/to/files/other/path/to/file2.bat').' proxy for package '.$this->name.': a .bat proxy was already installed');
+        }
+        $this->installer->install($this->extraDownload);
+        foreach ($this->executablePaths as $hasProxy => $path) {
+            if (\PHP_OS_FAMILY === 'Windows') {
+                $proxy = $path.'.bat';
+                if (!$hasProxy) {
+                    $this->assertStringEqualsFile(
+                        $this->fs->path($proxy),
+                        '@php "%~dp0file1" %*'
+                    );
+                }
+            } else {
+                $this->assertTrue(is_executable($this->fs->path($path)));
+            }
+        }
+    }
+
+    private function createDirectoryAndFiles(): void
+    {
+        foreach ($this->executablePaths as $hasProxy => $path) {
+            $this->fs->createDirectory(\dirname($path), true);
+            $content = implode(\PHP_EOL, [
+                '#!/usr/bin/env php',
+                '<?php',
+                "echo 'Hello from php file!';",
+            ]);
+            $this->fs->createFile($path, $content);
+            chmod($this->fs->path($path), 0600);
+            if (\PHP_OS_FAMILY === 'Windows' && $hasProxy) {
+                $proxy = $path.'.bat';
+                $this->fs->createFile($proxy, 'proxy content');
+            }
+        }
+    }
+}