diff --git a/src/it/tests/basic-it/windows/build.xml b/src/it/tests/basic-it/windows/build.xml
index 0dc6376..4520eee 100644
--- a/src/it/tests/basic-it/windows/build.xml
+++ b/src/it/tests/basic-it/windows/build.xml
@@ -18,7 +18,7 @@
     <property name="bootProp" value="${basedir}/src/test/resources/bootstrap.properties" />
 
     <target name="installServer">
-        <wlp:install-liberty licenseCode="${wlp.license}" version="${wlp.version}" basedir="${target.dir}" maxDownloadTime="120" />
+        <wlp:install-liberty licenseCode="${wlp.license}" version="${wlp.version}" basedir="${target.dir}" maxDownloadTime="120" skipDownloadIfExisting="true" />
     </target>
 
     <target name="createServer">
diff --git a/src/main/java/io/openliberty/tools/ant/install/InstallLibertyTask.java b/src/main/java/io/openliberty/tools/ant/install/InstallLibertyTask.java
index 6c006cf..376c6da 100644
--- a/src/main/java/io/openliberty/tools/ant/install/InstallLibertyTask.java
+++ b/src/main/java/io/openliberty/tools/ant/install/InstallLibertyTask.java
@@ -42,9 +42,10 @@ public class InstallLibertyTask extends AbstractTask {
     private String runtimeUrl;
     private String username;
     private String password;
-    private long maxDownloadTime;
+    private String maxDownloadTime;
     private boolean offline;
     private boolean useOpenLiberty;
+    private boolean skipDownloadIfExisting;
     
     private boolean skipAlreadyInstalledCheck = false;
 
@@ -98,10 +99,14 @@ private void doExecute() throws Exception {
     }
 
     protected void downloadFile(URL source, File dest) throws IOException {
+        downloadFile(source, dest, false);
+    }
+
+    protected void downloadFile(URL source, File dest, boolean skipExisting) throws IOException {
         if (offline) {
             offlineDownload(source, dest);
         } else {
-            onlineDownload(source, dest);
+            onlineDownload(source, dest, skipExisting);
         }
     }
 
@@ -113,7 +118,11 @@ private void offlineDownload(URL source, File dest) throws IOException {
         }
     }
 
-    private void onlineDownload(URL source, File dest) throws IOException {
+    private void onlineDownload(URL source, File dest, boolean skipExisting) throws IOException {
+        if (skipExisting && dest.exists()) {
+            return;
+        }
+
         Get get = (Get) getProject().createTask("get");
         DownloadProgress progress = null;
         if (verbose) {
@@ -122,7 +131,7 @@ private void onlineDownload(URL source, File dest) throws IOException {
         get.setUseTimestamp(true);
         get.setUsername(username);
         get.setPassword(password);
-        get.setMaxTime(maxDownloadTime);
+        get.setMaxTime(getMaxDownloadTime());
         get.setRetries(5);
         get.doGet(source, dest, Project.MSG_INFO, progress);
     }
@@ -232,10 +241,18 @@ public void setPassword(String password) {
     }
 
     public long getMaxDownloadTime() {
-        return maxDownloadTime;
+        if (maxDownloadTime == null) {
+            return 0;
+        } else {
+            return Long.parseLong(maxDownloadTime);
+        }
     }
 
     public void setMaxDownloadTime(long maxDownloadTime) {
+        this.maxDownloadTime = Long.toString(maxDownloadTime);
+    }
+
+    public void setMaxDownloadTime(String maxDownloadTime) {
         this.maxDownloadTime = maxDownloadTime;
     }
 
@@ -262,4 +279,12 @@ public void setSkipAlreadyInstalledCheck(boolean skipAlreadyInstalledCheck) {
     public boolean getSkipAlreadyInstalledCheck() {
         return skipAlreadyInstalledCheck;
     }
+
+    public boolean getSkipDownloadIfExisting() {
+        return skipDownloadIfExisting;
+    }
+
+    public void setSkipDownloadIfExisting(boolean skipDownloadIfExisting) {
+        this.skipDownloadIfExisting = skipDownloadIfExisting;
+    }
 }
diff --git a/src/main/java/io/openliberty/tools/ant/install/OpenLibertyInstaller.java b/src/main/java/io/openliberty/tools/ant/install/OpenLibertyInstaller.java
index 1f98779..a48078b 100644
--- a/src/main/java/io/openliberty/tools/ant/install/OpenLibertyInstaller.java
+++ b/src/main/java/io/openliberty/tools/ant/install/OpenLibertyInstaller.java
@@ -29,7 +29,7 @@ public void install(InstallLibertyTask task) throws Exception {
         
         // Download version json file
         File versionInfoFile = new File(cacheDir, "openliberty-versions.json");
-        task.downloadFile(versionInfoUrl, versionInfoFile);
+        task.downloadFile(versionInfoUrl, versionInfoFile, task.getSkipDownloadIfExisting());
                 
         // Parse JSON
         InputStream versionInfoIs =  new FileInputStream(versionInfoFile);
@@ -53,7 +53,7 @@ public void install(InstallLibertyTask task) throws Exception {
         String versionUrl = baseUrl + version + "/";
         URL runtimeInfoUrl = new URL(versionUrl + "info.json");
         File runtimeInfoFile = new File(cacheDir, version + ".json");
-        task.downloadFile(runtimeInfoUrl, runtimeInfoFile);
+        task.downloadFile(runtimeInfoUrl, runtimeInfoFile, task.getSkipDownloadIfExisting());
         
         // Parse JSON
         InputStream runtimeInfoIs =  new FileInputStream(runtimeInfoFile);
diff --git a/src/main/java/io/openliberty/tools/ant/install/WasDevInstaller.java b/src/main/java/io/openliberty/tools/ant/install/WasDevInstaller.java
index c5dda3e..8eb2eb7 100644
--- a/src/main/java/io/openliberty/tools/ant/install/WasDevInstaller.java
+++ b/src/main/java/io/openliberty/tools/ant/install/WasDevInstaller.java
@@ -68,7 +68,7 @@ public void install(InstallLibertyTask task) throws Exception {
         // download yml file
         URL ymlURL = new URL(url);
         File ymlFile = new File(cacheDir, InstallUtils.getFile(ymlURL));
-        task.downloadFile(ymlURL, ymlFile);
+        task.downloadFile(ymlURL, ymlFile, task.getSkipDownloadIfExisting());
 
         // parse yml
         List<LibertyInfo> versions = LibertyYaml.parse(ymlFile);