diff --git a/NSIS Installer for KeyInsert.nsi b/NSIS Installer for KeyInsert.nsi
index daafa3f..d370605 100644
--- a/NSIS Installer for KeyInsert.nsi	
+++ b/NSIS Installer for KeyInsert.nsi	
@@ -50,6 +50,15 @@ Section "Quick Launch Shortcut"
   CreateShortCut "$QUICKLAUNCH\KeyInsert.lnk" "$INSTDIR\KeyInsert.exe" "" "$INSTDIR\KeyInsert.exe" "" "" "" "KeyInsert"
 SectionEnd
 
+Section "Associate with *.KeyInsert files"
+    WriteRegStr HKCR "Applications\KeyInsert.exe\shell\open\command" "" "$\"$INSTDIR\KeyInsert.exe$\" $\"%1$\""
+    WriteRegStr HKCR ".KeyInsert\OpenWithList\KeyInsert.exe" "" ""
+    WriteRegStr HKCR ".KeyInsert" "" "KeyInsert_auto_file"
+    WriteRegStr HKCR "KeyInsert_auto_file\shell\open\command" "" "$\"$INSTDIR\KeyInsert.exe$\" $\"%1$\""
+    WriteRegStr HKCU "Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.KeyInsert\OpenWithList" "j" "KeyInsert.exe"
+    WriteRegStr HKCU "Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.KeyInsert\UserChoice" "Progid" "Applications\KeyInsert.exe"
+SectionEnd
+
 ; Functions
 
 Function .onInit
diff --git a/Properties/AssemblyInfo.vb b/Properties/AssemblyInfo.vb
index 5a834c3..8914cb1 100644
--- a/Properties/AssemblyInfo.vb
+++ b/Properties/AssemblyInfo.vb
@@ -28,5 +28,5 @@ Imports System.Runtime.InteropServices
 ' You can specify all values by your own or you can build default build and revision
 ' numbers with the '*' character (the default):
 
-<Assembly: AssemblyVersion("1.2.0.0")>
-<Assembly: AssemblyFileVersion("1.2.0.0")>
+<Assembly: AssemblyVersion("1.2.1.0")>
+<Assembly: AssemblyFileVersion("1.2.1.0")>