: This was the last "full" version available for PC users. Although technically a 32-bit application, users still attempt to run it on modern Windows systems (sometimes via XP emulation) for its unique workflow.
Looking back, Emagic Logic 5.5.1 on PC was a beautiful ghost. Apple bought Emagic later that year (July 2002). By 2004, Logic Pro 7 was Mac-only. The PC version died, abandoned. But the OxYGeN release lived on—buried on old hard drives, burned onto CD-Rs with “LOGIC 5.5 CRACKED” written in Sharpie, booted up in virtual machines by nostalgia-blind producers who still miss that gray-on-gray interface and the way it felt dangerous to make music. Emagic Logic Audio Platinum 5 5 1-OxYGeN 32
For most, however, Logic 5.5.1 remains a nostalgic milestone—the last time PC users could experience the "Electronic Magic" that eventually grew into the modern Logic Pro . Issue about using VST plugins within Logic Platinum 5 : This was the last "full" version available for PC users
Emagic Logic Audio Platinum 5.5.1 is a relic of the late 20th-century music production era. Released in the early 2000s (specifically as an update to Logic Audio Platinum 5), it marked a pivotal moment in digital audio workstation (DAW) technology. Developed by Emagic (acquired by Apple in 2002), this software became a cornerstone for professional studios and home producers before evolving into modern Apple Logic Pro. Apple bought Emagic later that year (July 2002)
Technical Report on Emagic Logic Audio Platinum 5.5.1 (OxYGeN Release)