It is a LaTeX template of Bilkent University ESBE Master Thesis. You can freely use it for your thesis. It might have some mistakes, please notify them (using issues). Anyway it will reduce the time to format your thesis and give you more time to focus on the issues of thesis subject.
You can download it as a ZIP file and then later upload it to https://www.sharelatex.com/ in order to start writing your thesis. It might take to start writing less than a minute.