diff --git a/cobigen/gui/pom.xml b/cobigen/gui/pom.xml
index da477acf9..73b9da41b 100644
--- a/cobigen/gui/pom.xml
+++ b/cobigen/gui/pom.xml
@@ -77,7 +77,12 @@
       <artifactId>system-lambda</artifactId>
       <version>1.2.0</version>
       <scope>test</scope>
-  </dependency>
+    </dependency>
+    <dependency>
+      <groupId>com.devonfw.cobigen</groupId>
+      <artifactId>core-test</artifactId>
+      <scope>test</scope>
+    </dependency>
   </dependencies>
 
   <build>
diff --git a/cobigen/gui/src/main/java/com/devonfw/cobigen/gui/controllers/DetailsController.java b/cobigen/gui/src/main/java/com/devonfw/cobigen/gui/controllers/DetailsController.java
index f40f0de9a..45a2ba117 100644
--- a/cobigen/gui/src/main/java/com/devonfw/cobigen/gui/controllers/DetailsController.java
+++ b/cobigen/gui/src/main/java/com/devonfw/cobigen/gui/controllers/DetailsController.java
@@ -1,15 +1,20 @@
 package com.devonfw.cobigen.gui.controllers;
 
-import java.io.IOException;
 import java.net.URL;
 import java.nio.file.Files;
 import java.nio.file.Path;
-import java.nio.file.Paths;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.ResourceBundle;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.devonfw.cobigen.api.constants.ConfigurationConstants;
 import com.devonfw.cobigen.api.util.CobiGenPaths;
+import com.devonfw.cobigen.api.util.MavenCoordinate;
+import com.devonfw.cobigen.api.util.TemplatesJarUtil;
+import com.devonfw.cobigen.retriever.ArtifactRetriever;
 import com.devonfw.cobigen.retriever.reader.to.model.TemplateSet;
 
 import javafx.fxml.FXML;
@@ -28,6 +33,8 @@
  */
 public class DetailsController implements Initializable {
 
+  private static final Logger LOG = LoggerFactory.getLogger(ArtifactRetriever.class);
+
   // TODO: getIncrements()
   private List<String> INCREMENTS = new ArrayList<>();
 
@@ -110,29 +117,40 @@ public void showTreeView(TreeView<String> treeView) {
   }
 
   /**
-   * @param actionEvent
-   * @throws IOException
+   * Installs a template set into the template-sets/downloaded folder
+   *
+   * @param actionEvent the action event
    */
   @FXML
-  public void installTemplateSet(javafx.event.ActionEvent actionEvent) throws IOException {
+  public void installTemplateSet(javafx.event.ActionEvent actionEvent) {
 
-    // Retrieving trigger information and move the template set file to user folder
+    // Retrieve template set name information from trigger
     String triggerName = this.templateSet.getTemplateSetConfiguration().getContextConfiguration().getTriggers().getId();
-    String FileName = triggerName.replace("_", "-") + "-" + this.templateSet.getTemplateSetVersion()
-        + "-template-set.xml";
-    Path cobigenHome = CobiGenPaths.getCobiGenHomePath();
-    Path sourceFilePath = cobigenHome.resolve("template-set-list").resolve(FileName);
-    String destinationPath = "C:\\Users\\alsaad\\template-set-installed\\" + FileName;
-    Path destinationFilePath = Paths.get(destinationPath);
-    if (!Files.exists(destinationFilePath)) {
-      Files.copy(sourceFilePath, destinationFilePath);
-      System.out.println(sourceFilePath.toString());
-      System.out.println(destinationFilePath);
+    String mavenArtfifactId = triggerName.replace("_", "-");
+    String templateSetVersion = this.templateSet.getTemplateSetVersion();
+
+    // Adjust file name
+    String FileName = mavenArtfifactId + "-" + templateSetVersion + ".jar";
+
+    // prepare MavenCoordinate list for download
+    MavenCoordinate mavenCoordinate = new MavenCoordinate(
+        ConfigurationConstants.CONFIG_PROPERTY_TEMPLATE_SETS_DEFAULT_GROUPID, mavenArtfifactId, templateSetVersion);
+    List<MavenCoordinate> mavenCoordinateList = new ArrayList<>();
+    mavenCoordinateList.add(mavenCoordinate);
+
+    Path templateSetsPath = CobiGenPaths.getTemplateSetsFolderPath();
+
+    Path destinationFilePath = templateSetsPath.resolve(ConfigurationConstants.DOWNLOADED_FOLDER).resolve(FileName);
+
+    if (!Files.exists(destinationFilePath.resolve(FileName))) {
+      // Download template set class file into downloaded folder
+      TemplatesJarUtil.downloadTemplatesByMavenCoordinates(
+          templateSetsPath.resolve(ConfigurationConstants.DOWNLOADED_FOLDER), mavenCoordinateList);
     } else {
       // Alert window if the file is already installed
       Alert alert = new Alert(AlertType.CONFIRMATION);
       alert.setTitle("Confirmation");
-      alert.setHeaderText("the selected template-set is already installed");
+      alert.setHeaderText("The selected template-set is already installed!");
       alert.show();
     }
   }
diff --git a/cobigen/gui/src/test/java/com/devonfw/cobigen/gui/ProcessTemplateSetTest.java b/cobigen/gui/src/test/java/com/devonfw/cobigen/gui/ProcessTemplateSetTest.java
index 041b19f78..b8c3cbc3a 100644
--- a/cobigen/gui/src/test/java/com/devonfw/cobigen/gui/ProcessTemplateSetTest.java
+++ b/cobigen/gui/src/test/java/com/devonfw/cobigen/gui/ProcessTemplateSetTest.java
@@ -4,13 +4,20 @@
 import static org.assertj.core.api.Assertions.assertThat;
 
 import java.io.File;
+import java.nio.file.Path;
+import java.nio.file.Paths;
 
-import org.apache.commons.io.FileUtils;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.TemporaryFolder;
+import org.testfx.util.WaitForAsyncUtils;
 
 import com.devonfw.cobigen.api.constants.ConfigurationConstants;
+import com.devonfw.cobigen.retriever.reader.TemplateSetArtifactReader;
+import com.devonfw.cobigen.retriever.reader.to.model.TemplateSet;
+
+import javafx.collections.FXCollections;
+import javafx.scene.text.Text;
 
 /**
  * TODO
@@ -22,6 +29,9 @@ public class ProcessTemplateSetTest extends TestFXBase {
   @Rule
   public TemporaryFolder tmpFolder = new TemporaryFolder();
 
+  /** Test data root path */
+  private static final String testdataRoot = "src/test/resources/testdata/integrationtests/ProcessTemplateSetTest";
+
   @Test
   public void testGetAllTemplateSetsAdapted() throws Exception {
 
@@ -34,17 +44,47 @@ public void testGetAllTemplateSetsAdapted() throws Exception {
   @Test
   public void testGetAllTemplateSetsDownloaded() throws Exception {
 
+    // preparation
     File userHome = this.tmpFolder.newFolder("UserHome");
-    File templateSets = this.tmpFolder.newFolder("UserHome", ConfigurationConstants.TEMPLATE_SETS_FOLDER);
     File downloaded = this.tmpFolder.newFolder("UserHome", ConfigurationConstants.TEMPLATE_SETS_FOLDER,
         ConfigurationConstants.DOWNLOADED_FOLDER);
-    // TODO: Create Dummy jar in resources
-    File jar = new File("");
-    FileUtils.copyFile(jar, downloaded.toPath().resolve("template-test.jar").toFile());
+
+    // simulate template-set-list folder for downloaded template-set.xml files to be used in GUI
+    this.tmpFolder.newFolder("UserHome", "template-set-list");
+
+    Path templateSetXmlFile = Paths.get(testdataRoot).resolve("crud-java-server-app-2021.12.007-template-set.xml");
+
+    TemplateSetArtifactReader artifactReader = new TemplateSetArtifactReader();
+
+    TemplateSet templateSet = artifactReader.retrieveTemplateSet(templateSetXmlFile);
+
+    // adds template set to GUI
+    this.templateSetObservableList = FXCollections.observableArrayList();
+    this.templateSetObservableList.addAll(templateSet);
+
+    this.searchResultsView.setItems(this.templateSetObservableList);
+
+    Text installStatustext = find("#installStatusText");
+
+    sleep(1000);
 
     withEnvironmentVariable(ConfigurationConstants.CONFIG_ENV_HOME, userHome.getAbsolutePath()).execute(() -> {
 
+      // clicks on first element of searchResultsView
+      clickOn(this.searchResultsView.getItems().get(0).getTemplateSetConfiguration().getContextConfiguration()
+          .getTriggers().getId());
+
+      sleep(1000);
+
+      clickOn("Install");
+
+      WaitForAsyncUtils.waitForFxEvents();
+
+      assertThat(downloaded.toPath().resolve("crud-java-server-app-2021.12.007.jar")).exists();
+
+      assertThat(installStatustext.getText()).contains("INSTALLED");
     });
+
   }
 
   @Test