Reinstalling Windows on a RAID configured system

CJT1982

TS Rookie
I have 3 HDD in my PC which were considered to RAID. Two were configured as a RAID 0 mega HDD with the third being used for my o/s. Not sure if this was RAID or not or if it was what version. The o/s HDD failed and has been replaced, however I am unable to install windows due to not having the RAID drivers or even a floppy disk drive.

Can I install windows on the new HDD as IDE and the RAID still work and convert to RAID later without loss of data on the existing RAID HDDs?

Or is the only option to get the drivers and a floppy disk drive?

PS I didn't install the system!