Software distributed on CD or DVD sometimes requires it to be on the media to install or otherwise work. You can distribute the content virtually as an *.iso file, and then mount that file so the OS thinks it's an actual CD or DVD.

Windows

Windows 8 or 10 have this capability built in.

In Chemistry IT, we tend to use the free utility, Virtual CloneDrive:

• https://www.redfox.bz/en/download.html

MS's utility:

• https://www.microsoft.com/en-us/download/details.aspx?id=38780
• Virtual CD-ROM Control Panel
• winxpvirtualcdcontrolpanel_21.exe

Useful how-to, with other options

• http://www.howtogeek.com/howto/windows-vista/mount-an-iso-image-in-windows-vista/

Creating ISOs

• https://www.howtogeek.com/228886/how-to-create-iso-files-from-discs-on-windows-mac-and-linux/