You cannot install Redmine on top of a WAMP since it's composed (mainly) by Apache+MySQL+PHP and Redmine is a Ruby application. Mautic and LimeSurvey are based on PHP and that's why you were able to install them on top of the WAMP.
On the other hand, as you mentioned, we don't support the Redmine modules anymore and we only maintain the Redmine Stack (which is very similar to a Ruby stack with Redmine). Therefore, I am afraid that you need to install the Redmine Stack.
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