OTRS Win installer does not install Apache server. How to decide?

Question

Apache HTTP Server

OTRS Packages up to otrs-3.2.7-win-installer-2.4.7.exe install Apache server.
The packages otrs-3.2.8-win-installer-3.0.1.exe and before otrs-3.3.10-win-installer-3.0.6.exe do not install Apache. Tested on winxp, win7, winserver 2003.
Perhaps the installer needs to be run with a key from the command line?
There are no data in the manuals, on the forums they advise to reinstall all the OSes at once =)
Today I sat down to pick OTRS again, I decided to experiment.
Installed "otrs-3.3.10-win-installer-3.0.6.exe" on win7: Apache was installed, everything was buggy... I thought everything was cool...
Rolled out 2008R2. I looked in "Roles" IIS is not installed, installed perl, .net, went to the OTRS installation, installed ... "error 500" and the window is strange...
Useful in the "role" - IIS is installed 8 / ... I thought I messed up something, repeated the installation of OTRS for the sake of interest ...
OTRSka independently connects the IIS equipment.
Sadly ...

Answer 1

Falls out with an error? Maybe something is interfering, look at the logs.
Well or deliver the Apache manually. There is nothing cosmic in the settings

Answer 2

It doesn't crash with an error. The insulator simply does not install Apache. Perhaps it mistakenly detects that IIS is installed.
To be honest, I never installed Apache. I'll try of course.
But the very fact that the installer declared by the developers works incorrectly upsets me.