diff --git a/alpha/help/0409/index.htm b/alpha/help/0409/index.htm
index db2985c..1895b8a 100644
--- a/alpha/help/0409/index.htm
+++ b/alpha/help/0409/index.htm
@@ -51,7 +51,7 @@ There are command-line manuals in "<tt>help</tt>" folder.
 </table>
 
 <hr>
-<small>last update 2023/06/13 for version 1.3.2.9</small>
+<small>last update 2023/11/11 for version 1.3.3.1</small>
 
 </body>
 </html>
diff --git a/alpha/help/0409/readme3.htm b/alpha/help/0409/readme3.htm
index 526a36c..c177e87 100644
--- a/alpha/help/0409/readme3.htm
+++ b/alpha/help/0409/readme3.htm
@@ -14,8 +14,7 @@ At version up, if you want to use previous setting, overwrite install is possibl
 Before overwrite install, you should un-check "Integrate MultiPar into Shell". 
 You may need to re-start OS after overwrite install or uninstall rarely. 
 To install under "<tt>Program Files</tt>" or "<tt>Program Files (x86)</tt>" directory, 
-you must start the installer with administrative privileges by selecting 
-"Run as administrator" on right-click menu.
+you must select "Install for all users" at the first dialog.
 </p>
 <p>&nbsp
 You can uninstall through the Windows OS's Control Panel,