How to use an install script from a downloaded linux programme.
When you download a programme and you need to configure it on your self and make the installer, then those are common commands you will need.
Mostly it will put the downloaded file into your folder Downloads; from there extract it to your home folder and open the "konsole" go to the current folder and type commands:
make check (can be used, sometimes not)
sudo make install (will be asked for your password and install will start)
Sometimes it can that there are other methods, and mostly you will find it inside the decompressed folder on a text file included by the maker of the programme.