diff --git a/dfssc/sign/starter.go b/dfssc/sign/starter.go
index 539d3fe75e0f569fb33f31e8e42ede4848084521..42978b55c840beefbb4a5c864e8a69baf7bbcbb1 100644
--- a/dfssc/sign/starter.go
+++ b/dfssc/sign/starter.go
@@ -12,6 +12,7 @@ import (
 	cAPI "dfss/dfssc/api"
 	"dfss/dfssc/common"
 	"dfss/dfssc/security"
+	dAPI "dfss/dfssd/api"
 	pAPI "dfss/dfssp/api"
 	"dfss/dfssp/contract"
 	"dfss/net"
@@ -72,6 +73,7 @@ func NewSignatureManager(fileCA, fileCert, fileKey, addrPort, passphrase string,
 	}
 
 	m.mail = m.auth.Cert.Subject.CommonName
+	dAPI.SetIdentifier(m.mail)
 
 	m.cServer = m.GetServer()
 	go func() { log.Fatalln(net.Listen("0.0.0.0:"+strconv.Itoa(port), m.cServer)) }()
diff --git a/dfssd/api/client.go b/dfssd/api/client.go
index b5480bb2a366918a444523325c1a1d32349a76e7..4485698f0098269256939167afead60c705438a8 100644
--- a/dfssd/api/client.go
+++ b/dfssd/api/client.go
@@ -24,6 +24,11 @@ func Configure(activated bool, addrport, id string) {
 	demo = activated
 }
 
+// SetIdentifier updates the current client identifier.
+func SetIdentifier(id string) {
+	identifier = id
+}
+
 // Lazy initialisation for demonstrator's connection to server
 func dInit() error {
 	var err error
diff --git a/dfssd/install.bat b/dfssd/install.bat
new file mode 100755
index 0000000000000000000000000000000000000000..aad88dadb40605f417bd6365506b60fa78773d68
--- /dev/null
+++ b/dfssd/install.bat
@@ -0,0 +1,6 @@
+set GOARCH=386
+set CGO_ENABLED=1
+cd gui
+..\..\..\github.com\visualfc\goqt\bin\goqt_rcc.exe -go gui -o application.qrc.go application.qrc
+cd ..
+go build -v -ldflags "-H windowsgui" -o ..\bin\dfssd.exe
\ No newline at end of file