diff --git a/src/main/java/info/bukova/isspst/signapi/JnlpGeneratorImpl.java b/src/main/java/info/bukova/isspst/signapi/JnlpGeneratorImpl.java
index 0b90c001..93bbc23f 100644
--- a/src/main/java/info/bukova/isspst/signapi/JnlpGeneratorImpl.java
+++ b/src/main/java/info/bukova/isspst/signapi/JnlpGeneratorImpl.java
@@ -63,6 +63,7 @@ public class JnlpGeneratorImpl implements JnlpGenerator {
 			root.appendChild(security);
 
 			Element resources = document.createElement("resources");
+			resources.setAttribute("os", "Linux");
 			Element j2se = document.createElement("j2se");
 			j2se.setAttribute("version", "1.8+");
 			Element jar = document.createElement("jar");
@@ -71,6 +72,17 @@ public class JnlpGeneratorImpl implements JnlpGenerator {
 			resources.appendChild(jar);
 			root.appendChild(resources);
 
+			Element resourcesWin = document.createElement("resources");
+			resourcesWin.setAttribute("os", "Windows");
+			Element j2seWin = document.createElement("j2se");
+			j2seWin.setAttribute("version", "1.8+");
+			Element jarWin = document.createElement("jar");
+			jarWin.setAttribute("href", "pdfsignerWin.jar");
+			resourcesWin.appendChild(j2seWin);
+
+			resourcesWin.appendChild(jarWin);
+			root.appendChild(resourcesWin);
+
 			Element appDesc = document.createElement("application-desc");
 			appDesc.setAttribute("main-class", "info.bukova.pdfsigner.Main");
 			Element argUrl = document.createElement("argument");
diff --git a/src/main/java/info/bukova/isspst/signapi/SigningController.java b/src/main/java/info/bukova/isspst/signapi/SigningController.java
index 92fced72..0333d2a7 100644
--- a/src/main/java/info/bukova/isspst/signapi/SigningController.java
+++ b/src/main/java/info/bukova/isspst/signapi/SigningController.java
@@ -102,7 +102,22 @@ public class SigningController {
 
 	@RequestMapping(value="/sign/pdfsigner.jar", method= RequestMethod.GET)
 	public void pdfsigner(HttpServletResponse response) {
-		File inputJar = new File(context.getRealPath("/WEB-INF/signer/PDFSigner.jar"));
+		sendJar(response, "Linux");
+	}
+
+	@RequestMapping(value="/sign/pdfsignerWin.jar", method= RequestMethod.GET)
+	public void pdfsignerWin(HttpServletResponse response) {
+		sendJar(response, "Windows");
+	}
+
+	private void sendJar(HttpServletResponse response, String os) {
+		File inputJar;
+
+		if (os.startsWith("Windows")) {
+			inputJar = new File(context.getRealPath("/WEB-INF/signer/PDFSignerWin.jar"));
+		} else {
+			inputJar = new File(context.getRealPath("/WEB-INF/signer/PDFSigner.jar"));
+		}
 
 		try {
 			byte[] data = new byte[(int) inputJar.length()];
diff --git a/src/main/webapp/WEB-INF/signer/PDFSignerWin.jar b/src/main/webapp/WEB-INF/signer/PDFSignerWin.jar
new file mode 100644
index 00000000..eb95cc26
Binary files /dev/null and b/src/main/webapp/WEB-INF/signer/PDFSignerWin.jar differ