Locate the installation file TectiaClient-<version>.msi, either on the installation CD or in the download directory, depending on if you purchased SSH Tectia Client on CD or downloaded it. Double-click the installation file to start the installation wizard.
Follow the wizard through the installation steps and fill in information as requested.
When the installation has finished, click Finish to exit the wizard.
The default installation directory is C:\Program Files\SSH Communications Security\SSH Secure Shell located on your system partition (typically the C drive).
The installation also creates a new program group in the Start -> Programs menu. The default name for this program group is SSH Tectia Client.