IN THIS APPENDIX
Understanding CS4 system requirements
Installing InDesign CS4
Upgrading from prior versions of InDesign
Reinstalling or uninstalling InDesign
Installing InDesign CS4 is surprisingly easy, but before installing or upgrading, make sure your system meets the InDesign CS4 system requirements. The key requirements are that you are running Mac OS X 10.4 (Tiger), Mac OS X 10.5 (Leopard), Windows XP (with Service Pack 2 or later), or Windows Vista. Then use the steps in this appendix to make quick work of the installation process. If you're upgrading from an earlier version, you'll actually perform a new installation. But read the section on upgrading near the end of this appendix for information about making the transition to InDesign CS4.
InDesign CS4 does not require extraordinary resources. If you have a Mac or PC that runs one of the required operating systems, you can run InDesign CS4. Just be sure to have enough hard-drive space and memory to be able to work with large images, many fonts, and multiple projects, as well, so that you can have additional applications, such as Adobe Photoshop, open at the same time.
Here are the official requirements:
For Macintosh systems, an Intel processor or a PowerPC G4, or G5 processor, running Mac OS X version 10.4.8 or later (Tiger) or 10.5 (Leopard).
For Windows systems, an Intel Centrino (including Duo), Core (including Duo), Pentium (4 or later), ...