I have been searching for a long time and a lot of people stated to go to appearance and windows cursor, but when I installed tweak tool I can't seem to find any of the "windows cursor"
Please help ASAP.
You need to install elementary-Tweaks instead Gnome Tweak Tool, but maybe you can find that setting under the 'Windows' tab in the Tweak Tool. If not:
First run in a terminal this commands (you need to install
software-properties-common to be able to add repositories):
sudo apt-get install software-properties-common && sudo add-apt-repository ppa:philip.scott/elementary-tweaks && sudo apt-get update && sudo apt-get install elementary-tweaks
After that, open system settings and select Tweaks, under the first panel you'll find the option to modify the window controls layout: