All R-Tag modules are combined in a single, easy to download and install package, available from this link:
Download R-Tag Report Manager v.17.0
Trial period is 14 days and can be extended.

To install R-Tag please do the following:
Unzip the downloaded zip file to a temporary folder.
Start setup.exe and install the software.It is important to use setup.exe since it will install not just R-Tag software, but also all required components and frameworks.
Review the documents bellow to find out how to use the module you are interested in.

Here are some more links, which might be helpfull: