Buy both unless you have an old version of windows hanging around that you can use. Most any version from xp on will work.
'87 GN 58K miles (rebuilt engine by Don Cruz at 47K), 6262 Billet Precision Turbo, Precision 60 lbs injectors, 206/210 Revolution X Roller Cam, Comp Roller lifters, Champion Iron Heads, Champion Ported Intake, T&D 1.65 Roller Rockers, 70 mm Hemco Upper Intake, 70 mm Acufab TB, PTC 10" TC 2800 Stall w/LU, Razor's Kit, ESP FMIC, B & M Shift kit, 3" GN1 DP w/46mm external wastegate, 2 3/4" Dual Magna flow exhaust, ATR Headers, 3.5" Kirbans Aluminium Driveshaft, Eibach Pro Kit Springs, Bilstein Shocks, Spohn Boxed Rear Lowers, Spohn Rear Uppers, SD2 Chip, XP Plus Fuel Pump w/hotwire, Turbonetics Boost Controller, Scanmaster, Powerlogger, Hurst Line Lock, MT ET Streets 255/50-16