Note: You are only able to select a location for the STEAM folder (the large library files) during the Preparation stage of the install. The Destination Select stage is referencing the small software files.
Note: The Insufficient Disk Space error message during the installation may be resolved by following the steps in this article. However, if you feel you have space available on your Mac, please check this article regarding Purgeable Data.
If you are unable to choose the location for your STEAM folder during the installation process, this indicates that there is already a STEAM folder or alias/shortcut in the default location. This is because you having already installed other instriments and have a current STEAM folder, or a STEAM folder has been created by an incomplete install.
Omnisphere, Keyscape, and Trilian must be installed to the same STEAM folder. If you have purchased a new instrument and want to move your STEAM folder to make more space, please exit the installer and move the STEAM folder following the instructions in the following article before attempting to install your new instrument:
If you don't have a previous installation, then please navigate here and delete the STEAM folder or alias/shortcut that is in the default location.
Macintosh HD/ Users/ <your username> / Library/ Application Support/ Spectrasonics
In Mac OS X 10.7.x and above, the Library folder in each User folder is now hidden. (~/Library)
To find the Users/ Library folder:
Go to the Finder and click the Go menu while holding the option key (or shift). Library will appear in the menu while the Option key is held and you can select it at that point.
C: ProgramData/ Spectrasonics
To turn on Hidden Files and Folders in Windows 7 and later, go to Control Panel/ Appearance and Personalization/ Folder Options/ View Tab and select Show Hidden Files and Folders. Hit Apply.