The way to install or update configuration software "V-SFT-5" is as follows.

[Either or both V-SFT-5 or V-SFT-6 already installed]

1. Download the update module for V-SFT-5 from our website.
   The download page is here.
   * You need to register as a member to download the update module.
   * If installing V-SFT Ver. 5 in “C:\Program Files” on Windows Vista or later,
      it may not work properly. 
      In this case, please refer to here and reinstall.
   
    
   
   
   
2. Double-click the module downloaded in step 1.
   - VSFT_V54xx0_up.exe   ( "x" designates the version number.)
   
   
   * If the message "xxxxxx.exe isn’t commonly downloaded." message
      appears, see here.　
   　　
              
   
   
3. Follow the procedures to update after the installer starts up.
   * Close V-SFT-5/V-SFT-6 before the installation.
   * You need to have authority as an Administrator for the update.
   
   
   
4. You need to download the manuals for help menu separately.
   Select "Manuals for V-SFT-5" from the search results in step 1 and download it.
   
   
   
5. Double-click the module (VSFTV5_Manual.exe) from step 4.
   Follow the procedures to update after the installer is started up.
   * Close V-SFT-5 before the installation.
   * Administrator authentication is required.

[Neither V-SFT-5 nor V-SFT-6 installed]

Please purchase DVD-ROM of V-SFT-6.
(The update program from our website is only for update.
It cannot be used for installation.)

* However, if you have CD-ROM/DVD-ROM for configuration software "V-SFT" or
   "UG00S-CW", you may be able to update to "V-SFT-5".
   The installation procedure differs depending on the OS of your PC and the version
   of your CD-ROM/DVD-ROM.
   For the detailed procedure for installation, click here.