After review a lot of posts in this site finally I decide to put mine. I am preparing an MSI file with Wix. I need to check if a particular version of an enterprise product is installed, before to install my system. I have the GUID of that product (which is the same for all versions), but I need to check if 1.10.0 version is installed. Any idea, please. Thanks in advance.
PD: I am newbie in Wix, so at this moment I am just using the wxs file created by default with the Setup Project.
Clarifying: I don't want to upgrade the software that I am installing, I need to check another program and version which my installer depends.