Alcohol 52%

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No, this software doesn't tell you how to make your own whisky! Instead Alcohol 52% (and it's more functional paid for big brother, Alcohol 120%) is a CD & DVD emulation software which can create up to 31 virtual CD/DVD-ROM drives on your PC. This means that you can play CDs & DVDs without the need for the original disc. It also means that you can run those programs which, as a security measure, require the original CD/DVD to be physically present in the CD/DVD drive. No more worries that you might lose that vital disc!

Available from http://trial.alcohol-soft.com/en/