diff --git a/src/App.php b/src/App.php
index 94539b3..45b819f 100644
--- a/src/App.php
+++ b/src/App.php
@@ -150,12 +150,35 @@ public static function execute( $command, $directory = null, $timeout = 120 ) {
 
 		$process = new Process( $command, null, null, null, $timeout );
 		$process->setWorkingDirectory( $directory );
-		$process->run();
+		$process->mustRun();
+
+		return $process->getOutput();
+	}
+
+	/**
+	 * Run a shell command and return the output as it comes in
+	 *
+	 * @param  string          $command
+	 * @param  OutputInterface $command
+	 * @param  string|null     $directory
+	 * @param  integer         $timeout
+	 * @return Process
+	 */
+	public static function liveExecute( $command, OutputInterface $output, $directory = null, $timeout = 120 ) {
+		$directory = $directory !== null ? $directory : getcwd();
+
+		$process = new Process( $command, null, null, null, $timeout );
+		$process->setWorkingDirectory( $directory );
+		$process->start();
+
+		$process->wait( function( $type, $buffer ) use ( $output ) {
+			$output->writeln( $buffer );
+		} );
 
 		if ( ! $process->isSuccessful() ) {
 			throw new ProcessFailedException( $process );
 		}
 
-		return $process->getOutput();
+		return $process;
 	}
 }
diff --git a/src/NodePackageManagers/NodePackageManagerInterface.php b/src/NodePackageManagers/NodePackageManagerInterface.php
index ee65d4c..3c3f6bf 100644
--- a/src/NodePackageManagers/NodePackageManagerInterface.php
+++ b/src/NodePackageManagers/NodePackageManagerInterface.php
@@ -2,6 +2,8 @@
 
 namespace WPEmerge\Cli\NodePackageManagers;
 
+use Symfony\Component\Console\Output\OutputInterface;
+
 interface NodePackageManagerInterface {
 	/**
 	 * Check if a package is already installed
@@ -15,21 +17,23 @@ public function installed( $directory, $package );
 	/**
 	 * Install a package
 	 *
-	 * @param  string      $directory
-	 * @param  string      $package
-	 * @param  string|null $version
-	 * @param  boolean     $dev
-	 * @return string
+	 * @param  string          $directory
+	 * @param  OutputInterface $output
+	 * @param  string          $package
+	 * @param  string|null     $version
+	 * @param  boolean         $dev
+	 * @return void
 	 */
-	public function install( $directory, $package, $version = null, $dev = false );
+	public function install( $directory, OutputInterface $output, $package, $version = null, $dev = false );
 
 	/**
 	 * Uninstall a package
 	 *
-	 * @param  string  $directory
-	 * @param  string  $package
-	 * @param  boolean $dev
-	 * @return string
+	 * @param  string          $directory
+	 * @param  OutputInterface $output
+	 * @param  string          $package
+	 * @param  boolean         $dev
+	 * @return void
 	 */
-	public function uninstall( $directory, $package, $dev = false );
+	public function uninstall( $directory, OutputInterface $output, $package, $dev = false );
 }
diff --git a/src/NodePackageManagers/Npm.php b/src/NodePackageManagers/Npm.php
index db84d2b..0f79f28 100644
--- a/src/NodePackageManagers/Npm.php
+++ b/src/NodePackageManagers/Npm.php
@@ -2,6 +2,7 @@
 
 namespace WPEmerge\Cli\NodePackageManagers;
 
+use Symfony\Component\Console\Output\OutputInterface;
 use Symfony\Component\Process\Exception\RuntimeException;
 use WPEmerge\Cli\App;
 
@@ -29,26 +30,22 @@ public function installed( $directory, $package ) {
 	/**
 	 * {@inheritDoc}
 	 */
-	public function install( $directory, $package, $version = null, $dev = false ) {
+	public function install( $directory, OutputInterface $output, $package, $version = null, $dev = false ) {
 		$command = 'npm install ' .
 			'"' . $package .( $version !== null ? '@' . $version : '' ) . '"' .
 			( $dev ? ' --only=dev' : '' );
 
-		$output = App::execute( $command, $directory );
-
-		return trim( $output );
+		App::liveExecute( $command, $output, $directory );
 	}
 
 	/**
 	 * {@inheritDoc}
 	 */
-	public function uninstall( $directory, $package, $dev = false ) {
+	public function uninstall( $directory, OutputInterface $output, $package, $dev = false ) {
 		$command = 'npm uninstall ' .
 			$package .
 			( $dev ? ' --only=dev' : '' );
 
-		$output = App::execute( $command, $directory );
-
-		return trim( $output );
+		App::liveExecute( $command, $output, $directory );
 	}
 }
diff --git a/src/NodePackageManagers/Proxy.php b/src/NodePackageManagers/Proxy.php
index 233b6df..d09312d 100644
--- a/src/NodePackageManagers/Proxy.php
+++ b/src/NodePackageManagers/Proxy.php
@@ -2,7 +2,7 @@
 
 namespace WPEmerge\Cli\NodePackageManagers;
 
-use Exception;
+use Symfony\Component\Console\Output\OutputInterface;
 use Symfony\Component\Process\Exception\ProcessFailedException;
 use Symfony\Component\Process\Exception\RuntimeException;
 use WPEmerge\Cli\App;
@@ -18,15 +18,15 @@ public function installed( $directory, $package ) {
 	/**
 	 * {@inheritDoc}
 	 */
-	public function install( $directory, $package, $version = null, $dev = false ) {
-		return call_user_func_array( [$this->getNodePackageManager(), 'install'], func_get_args() );
+	public function install( $directory, OutputInterface $output, $package, $version = null, $dev = false ) {
+		call_user_func_array( [$this->getNodePackageManager(), 'install'], func_get_args() );
 	}
 
 	/**
 	 * {@inheritDoc}
 	 */
-	public function uninstall( $directory, $package, $dev = false ) {
-		return call_user_func_array( [$this->getNodePackageManager(), 'uninstall'], func_get_args() );
+	public function uninstall( $directory, OutputInterface $output, $package, $dev = false ) {
+		call_user_func_array( [$this->getNodePackageManager(), 'uninstall'], func_get_args() );
 	}
 
 	/**
diff --git a/src/NodePackageManagers/Yarn.php b/src/NodePackageManagers/Yarn.php
index 0f256ff..c6bbcc8 100644
--- a/src/NodePackageManagers/Yarn.php
+++ b/src/NodePackageManagers/Yarn.php
@@ -2,6 +2,7 @@
 
 namespace WPEmerge\Cli\NodePackageManagers;
 
+use Symfony\Component\Console\Output\OutputInterface;
 use Symfony\Component\Process\Exception\RuntimeException;
 use WPEmerge\Cli\App;
 
@@ -29,26 +30,22 @@ public function installed( $directory, $package ) {
 	/**
 	 * {@inheritDoc}
 	 */
-	public function install( $directory, $package, $version = null, $dev = false ) {
+	public function install( $directory, OutputInterface $output, $package, $version = null, $dev = false ) {
 		$command = 'yarn add ' .
 			'"' . $package .( $version !== null ? '@' . $version : '' ) . '"' .
 			( $dev ? ' --dev' : '' );
 
-		$output = App::execute( $command, $directory );
-
-		return trim( $output );
+		App::liveExecute( $command, $output, $directory );
 	}
 
 	/**
 	 * {@inheritDoc}
 	 */
-	public function uninstall( $directory, $package, $dev = false ) {
+	public function uninstall( $directory, OutputInterface $output, $package, $dev = false ) {
 		$command = 'yarn remove ' .
 			$package .
 			( $dev ? ' --dev' : '' );
 
-		$output = App::execute( $command, $directory );
-
-		return trim( $output );
+		App::liveExecute( $command, $output, $directory );
 	}
 }
diff --git a/src/Presets/Bootstrap.php b/src/Presets/Bootstrap.php
index e455573..b9a8815 100644
--- a/src/Presets/Bootstrap.php
+++ b/src/Presets/Bootstrap.php
@@ -18,12 +18,7 @@ public function getName() {
 	 * {@inheritDoc}
 	 */
 	public function execute( $directory, OutputInterface $output ) {
-		$install_output = $this->installNodePackage( $directory, 'bootstrap', '^4.0', true );
-
-		if ( $output->getVerbosity() >= OutputInterface::VERBOSITY_VERBOSE ) {
-			$output->writeln( $install_output );
-		}
-
+		$this->installNodePackage( $directory, $output, 'bootstrap', '^4.0', true );
 		$this->addCssVendorImport( $directory, 'bootstrap/dist/css/bootstrap.css' );
 	}
 }
diff --git a/src/Presets/Bulma.php b/src/Presets/Bulma.php
index 0b49994..141111d 100644
--- a/src/Presets/Bulma.php
+++ b/src/Presets/Bulma.php
@@ -18,12 +18,7 @@ public function getName() {
 	 * {@inheritDoc}
 	 */
 	public function execute( $directory, OutputInterface $output ) {
-		$install_output = $this->installNodePackage( $directory, 'bulma', '^0.6', true );
-
-		if ( $output->getVerbosity() >= OutputInterface::VERBOSITY_VERBOSE ) {
-			$output->writeln( $install_output );
-		}
-
+		$this->installNodePackage( $directory, $output, 'bulma', '^0.6', true );
 		$this->addCssVendorImport( $directory, 'bulma/css/bulma.css' );
 	}
 }
diff --git a/src/Presets/FontAwesome.php b/src/Presets/FontAwesome.php
index fc05237..6071bd4 100644
--- a/src/Presets/FontAwesome.php
+++ b/src/Presets/FontAwesome.php
@@ -18,12 +18,7 @@ public function getName() {
 	 * {@inheritDoc}
 	 */
 	public function execute( $directory, OutputInterface $output ) {
-		$install_output = $this->installNodePackage( $directory, 'font-awesome', '^4.7', true );
-
-		if ( $output->getVerbosity() >= OutputInterface::VERBOSITY_VERBOSE ) {
-			$output->writeln( $install_output );
-		}
-
+		$this->installNodePackage( $directory, $output, 'font-awesome', '^4.7', true );
 		$this->addCssVendorImport( $directory, 'font-awesome/css/font-awesome.css' );
 	}
 }
diff --git a/src/Presets/Foundation.php b/src/Presets/Foundation.php
index 41ba184..802aab0 100644
--- a/src/Presets/Foundation.php
+++ b/src/Presets/Foundation.php
@@ -18,12 +18,7 @@ public function getName() {
 	 * {@inheritDoc}
 	 */
 	public function execute( $directory, OutputInterface $output ) {
-		$install_output = $this->installNodePackage( $directory, 'foundation-sites', '^6.4', true );
-
-		if ( $output->getVerbosity() >= OutputInterface::VERBOSITY_VERBOSE ) {
-			$output->writeln( $install_output );
-		}
-
+		$this->installNodePackage( $directory, $output, 'foundation-sites', '^6.4', true );
 		$this->addCssVendorImport( $directory, 'foundation-sites/dist/css/foundation.css' );
 	}
 }
diff --git a/src/Presets/FrontEndPresetTrait.php b/src/Presets/FrontEndPresetTrait.php
index eef2e79..3c33659 100644
--- a/src/Presets/FrontEndPresetTrait.php
+++ b/src/Presets/FrontEndPresetTrait.php
@@ -2,6 +2,7 @@
 
 namespace WPEmerge\Cli\Presets;
 
+use Symfony\Component\Console\Output\OutputInterface;
 use Symfony\Component\Process\Exception\RuntimeException;
 use WPEmerge\Cli\NodePackageManagers\Proxy;
 
@@ -11,20 +12,21 @@ trait FrontEndPresetTrait {
 	/**
 	 * Install a node package
 	 *
-	 * @param  string      $directory
-	 * @param  string      $package
-	 * @param  string|null $version
-	 * @param  boolean     $dev
-	 * @return string
+	 * @param  string          $directory
+	 * @param  OutputInterface $directory
+	 * @param  string          $package
+	 * @param  string|null     $version
+	 * @param  boolean         $dev
+	 * @return void
 	 */
-	protected function installNodePackage( $directory, $package, $version = null, $dev = false ) {
+	protected function installNodePackage( $directory, OutputInterface $output, $package, $version = null, $dev = false ) {
 		$package_manager = new Proxy();
 
 		if ( $package_manager->installed( $directory, $package ) ) {
 			throw new RuntimeException( 'Package is already installed.' );
 		}
 
-		return $package_manager->install( $directory, $package, $version, $dev );
+		$package_manager->install( $directory, $output, $package, $version, $dev );
 	}
 
 	/**
diff --git a/src/Presets/Tachyons.php b/src/Presets/Tachyons.php
index d054df9..14b4989 100644
--- a/src/Presets/Tachyons.php
+++ b/src/Presets/Tachyons.php
@@ -18,12 +18,7 @@ public function getName() {
 	 * {@inheritDoc}
 	 */
 	public function execute( $directory, OutputInterface $output ) {
-		$install_output = $this->installNodePackage( $directory, 'tachyons', '^4.9', true );
-
-		if ( $output->getVerbosity() >= OutputInterface::VERBOSITY_VERBOSE ) {
-			$output->writeln( $install_output );
-		}
-
+		$this->installNodePackage( $directory, $output, 'tachyons', '^4.9', true );
 		$this->addCssVendorImport( $directory, 'tachyons/css/tachyons.css' );
 	}
 }