diff --git a/relational_gui.py b/relational_gui.py
index c49e947..3422df8 100755
--- a/relational_gui.py
+++ b/relational_gui.py
@@ -20,6 +20,7 @@
 # author Salvo "LtWorf" Tomaselli <tiposchi@tiscali.it>
 
 import sys
+import sip
 from PyQt4 import QtCore, QtGui
 from relational_gui import maingui, about
 from relational import relation, parser
@@ -41,7 +42,7 @@ if __name__ == "__main__":
     app = QtGui.QApplication(sys.argv)
     Form = QtGui.QWidget()
     
-    Form.setFont(QtGui.QFont("Lucida Sans Unicode"))
+    Form.setFont(QtGui.QFont("Dejavu Sans Bold"))
     
     ui = maingui.Ui_Form()
     ui.setupUi(Form)
diff --git a/windows/favicon.ico b/windows/favicon.ico
new file mode 100644
index 0000000..a4f52c3
Binary files /dev/null and b/windows/favicon.ico differ
diff --git a/windows/font dejavu(da non perdere).rar b/windows/font dejavu(da non perdere).rar
new file mode 100644
index 0000000..ee2ebfd
Binary files /dev/null and b/windows/font dejavu(da non perdere).rar differ
diff --git a/windows/ss.iss b/windows/ss.iss
new file mode 100644
index 0000000..8caf480
--- /dev/null
+++ b/windows/ss.iss
@@ -0,0 +1,44 @@
+; Script generated by the Inno Setup Script Wizard.
+; SEE THE DOCUMENTATION FOR DETAILS ON CREATING INNO SETUP SCRIPT FILES!
+
+[Setup]
+; NOTE: The value of AppId uniquely identifies this application.
+; Do not use the same AppId value in installers for other applications.
+; (To generate a new GUID, click Tools | Generate GUID inside the IDE.)
+AppId={{B3932B50-B372-4E36-9FC0-47BD532CD688}
+AppName=Relational
+AppVerName=Relationa 0.10
+AppPublisher=Salvo 'LtWorf' Tomaselli
+AppPublisherURL=http://galileo.dmi.unict.it/wiki/relational/
+AppSupportURL=http://galileo.dmi.unict.it/wiki/relational/
+AppUpdatesURL=http://galileo.dmi.unict.it/wiki/relational/
+DefaultDirName={pf}\Relational 0.10
+DefaultGroupName=Relational
+LicenseFile=C:\Documents and Settings\Administrator\Desktop\reltional_svn\COPYING
+OutputBaseFilename=setup
+SetupIconFile=C:\Documents and Settings\Administrator\Documenti\Downloads\favicon_090920\favicon.ico
+Compression=lzma
+SolidCompression=yes
+
+[Languages]
+Name: "english"; MessagesFile: "compiler:Default.isl"
+
+[Tasks]
+Name: "desktopicon"; Description: "{cm:CreateDesktopIcon}"; GroupDescription: "{cm:AdditionalIcons}"; Flags: unchecked
+
+[Files]
+Source: "C:\Documents and Settings\Administrator\Desktop\eseguibile relational\dist\relational_gui.exe"; DestDir: "{app}"; Flags: ignoreversion
+Source: "C:\Documents and Settings\Administrator\Desktop\eseguibile relational\dist\*"; DestDir: "{app}"; Flags: ignoreversion recursesubdirs createallsubdirs
+Source: "C:\Documents and Settings\Administrator\Desktop\font dejavu\*"; DestDir: "{fonts}"; FontInstall: "Dejavu Sans"
+Source: "C:\Documents and Settings\Administrator\Documenti\Downloads\favicon_090920\favicon.ico"; DestDir: "{app}"; Flags: ignoreversion
+
+; NOTE: Don't use "Flags: ignoreversion" on any shared system files
+
+[Icons]
+Name: "{group}\Relational"; Filename: "{app}\relational_gui.exe"
+Name: "{group}\{cm:UninstallProgram,Relational}"; Filename: "{uninstallexe}"
+Name: "{commondesktop}\Relational"; Filename: "{app}\relational_gui.exe"; Tasks: desktopicon
+
+[Run]
+Filename: "{app}\relational_gui.exe"; Description: "{cm:LaunchProgram,Relational}"; Flags: nowait postinstall skipifsilent
+