Does PAIR run with all computer platforms?

PAIR is intended to run under existing technology and adhere to policies, procedures and guidelines issued by USPTO. For PAIR, USPTO policy currently requires a computer platform compatibility at, or above, Windows 98, 2000, NT, or XP, Mac OS Tiger10.4 and RedHat 9.0. USPTO does not endorse these products, however, these are the products that have been tested so far.

USPTO FAQ - Questions and Answers (12DEC2006)