LaTeX.org

https://en.wikibooks.org/wiki/LaTeX/Bib ... or_Chapter for bibiliographies in each chapter. You need to read the whole page to understand how it works.

Basic LaTeX knowledge is needed to use the template.

https://github.com/johannesbottcher/MDT-Quick-Manual https://en.wikibooks.org/wiki/LaTeX/Customizing_Page_Headers_and_Footers#Customizing_with_scrlayer-scrpage Global option footsepline , and \cfoot{Your name} in the preamble. I can only guess, as your questions are not very clear and lack a minimal...

I already gave you a link that explains how to do it with biblatex. Where is the problem?

Welcome to the community

Can you make a small compilable example for us to reproduce the issue,?

It is at latextemplates.com

This topic is very old and for an obsolete version of the template. For the current version, package biblatex is used.
Have a look at https://en.wikibooks.org/wiki/LaTeX/Bib ... or_Chapter

In the preamble of your document, use

As far as LaTeX is concerned, package subcaption can handle this.

There are other packages as well, but subcaption is the most recent one.

A user can install packages in user mode and does not need admin rights. On the other hand, MikTeX and Texniccenter... Seems like nobody reviewed other possibilities within the last decade. MikTeX itself comes with an Editor named texworks. An alternative to MikTeX would be TeX Live, which also ship...