Simply copy all disk contents to a game folder on HD.
[1] RICK DANGEROUS II½ (aka RICK DANGEROUS TWO AND A BIT) is a short exclusive level that follows on from RICK DANGEROUS II and was included on the coverdisk of The One Issue 28 (Jan 91).[2] Magazine Publisher: The One no. 28, Jan 1991 [download HERE].[3] RICK DANGEROUS II½ (longplay) is available for viewing HERE. [Source: hipoonios' YouTube channel]