WINDOWS INSTALLATION GUIDE CAN BE FOUND HERE:
http://help.timespace.com/home/installation-guide---trilian-windows-download
GETTING STARTED - Mac Download Installation
Trilian is available as a download as an installation option for registered users through the Spectrasonics Webstore/Techshop. Once you downloaded Trilian via the Download Manager, follow this set of instructions to install it on your Mac system.
Note: You need over 40GB of free space available on your hard drive in order to continue.
Trilian Installation
Step 1: Open the "Trilian_Installation" folder.
Step 2: Open the Mac folder and double-click "Trilian Installer.pkg" to begin the installation of Trilian.
Step 3: The installer might need to quit and reopen to ensure support for older versions of OS X, so just click "OK."
Step 4: Follow the steps as you're guided through the installation process.
Step 5: The plugin files will then be installed on your Mac's system drive.
Step 6: Then at the 'Preparation' step, you'll select where to install the large core library files. By default they will be installed to your system drive or you may choose a secondary drive by selecting the button "Choose Location."
Step 7: The large data files will now be copied to your selected drive. Allow for 30-60 minutes to install all of the data.
Step 8: After the installation is complete select "'Close." Now it's time to open Trilian in your host and authorize it.