Use Windows Explorer to open the following directory on your network: \IsahSetup_[RELEASENO]_Isah\[UPDATEPACKNO]_[VERSIONNO]\Client_Software\Isah_[BUILDNO].
Double-click the file Isah.msi.
Follow the directions on your screen to carry out the installation process.
Double-click the file IsahLangPack[…].msi in the subfolder LanguagePacks.
Follow the directions on your screen to carry out the installation process.
Start Isah.
To check whether the correct version has been installed, open the Help menu and click About. The About box will be displayed containing all version information. Compare this with the information in Readme.txt.