Download large, standalone installation files to manually install complete software and device support.
Note: If you download and install only the QuartusÂ® II software, subsequently you must also download and install the device support . You do not have to install all the device support files. You can install only the device support files that you need.
Disk Space: A full installation of the Altera Complete Design Suite version 9.1 requires approximately 10 GB of available disk space on the drive or partition where you are installing the Altera Complete Design Suite and approximately 30 MB of available space on the drive that contains your TEMP directory (Windows only).