Appendix B. Installing GIMP on Older Systems
On Linux or other UNIX-like systems, the process is the same as in Appendix A: just use your package manager and install whatever system was available from either disc or online repositories. You may have to dig through a dusty pile of CDs or ask around, but in almost every case you'll succeed. Or, if you're adventurous, you can attempt to install from source (see Appendix C).
For those with older Windows systems, it's not unreasonable to install GIMP on Windows 98 SR2 or ME. GIMP 2.2, though unsupported, ran just fine. However, earlier versions of Windows may prove to be a challenge.
Macintosh systems prior to OS X generally cannot run GIMP. OS X 10.4 and 10.5 have already been discussed. The easiest ...