get Daemon tools as the new version is really amazing. Easy to use, but if you want to play your CDs without the CD, then you should create and ISO image of that CD and then play it.

There is Alcohol 120% also and it is a good tool, some ISO images will not work fine not unless you burn it using this software as it depends on the person who is creating the ISO. Some will not follow the standards and use the customized options in each software, make it sometime difficult to work with other software.

If you need any further help just let me know ...

best Regards,
King

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Do not dwell in the past, do not dream of the future, concentrate the mind on the present moment. (Gautama Buddha)