Forum Options New Topic Gallery Categories All Knowledge General System SPICE FDTD BPM Grating Fiber Exchange Home › Forums › SYSTEM › version 32bits version 32bits jose danilo da silva nogueira (joined April 2019) Participant need version 32bits from avaliation. Responses (1): Reply April 23, 2020 at 7:09 am #67004 jose danilo da silva nogueiraParticipant need version 32bits from avaliation. April 23, 2020 at 7:10 am #67008 Ahmad AtiehModerator Hello, There is no 32-bits version of OptiSystem. It is only 64bits. We may download the 30-days free version from Optiwave’s website. Regards, Ahmad 1 Login You must be logged in to reply to this topic.