Can't print bibliography

It just does not work, no matter how I try. Currently I use

bibliography{lit.bib}

before starting the document, then

printbibliography{lit.bib}

before ending it. I can refer to entries in the bibliography just fine in text, the references will be made and named as they are in the bibliography, however the page on which I put the printbib... command simply says “lit.bib“

What am I doing wrong?

I’m using pdflatex+makeindex+bibtex

Edit:

documentclass[english,parskip=half]{scrartcl} 

usepackage[utf8]{inputenc} 
usepackage{chngcntr}
usepackage{babel} 
usepackage{lmodern} 
usepackage[T1]{fontenc}
usepackage{microtype} 
usepackage{graphicx} 
usepackage{csquotes} 
usepackage[output-decimal-marker={,},exponent-product=cdot]{siunitx} 
usepackage{tabularx} 
usepackage{mathtools,amssymb} 
usepackage[section]{placeins} 


%deffps@figure{htbp}
%deffps@table{htbp}

usepackage[colorlinks=true,allcolors=black]{hyperref} 
bibliography{lit.bib} 
addbibresource{lit.bib}



addtoextrasenglish{%  
 defsubsectionautorefname{Abschnitt} von Unterabschnitt auf Abschnitt
 deffigureautorefname{Abb.} 
} 


begin{document}

begin{titlepage}
centering

(Stuff from titlepage here)

end{titlepage}

tableofcontents
clearpage
input{chapter/Abstract}
newpage
....(more chapters here
printbibliography{lit.bib}
end{document}

Edit Nr 2: Current code:

documentclass[english,parskip=half]{scrartcl}


usepackage[utf8]{inputenc}
usepackage{chngcntr}
usepackage{babel} 
usepackage{lmodern} 
usepackage[T1]{fontenc} 
usepackage{microtype} 
usepackage{graphicx} 
usepackage{csquotes} 
usepackage[output-decimal-marker={,},exponent-product=cdot]{siunitx}
usepackage[sorting=none]{biblatex}
usepackage{tabularx} 
usepackage{mathtools,amssymb} 
usepackage[section]{placeins} 

usepackage[backend=bibtex]{biblatex}

%deffps@figure{htbp}
%deffps@table{htbp}

usepackage[colorlinks=true,allcolors=black]{hyperref} 
addbibresource{lit.bib}



addtoextrasenglish{%  
 defsubsectionautorefname{Abschnitt}
 deffigureautorefname{Abb.}
} 


begin{document}
begin{titlepage}

(content of title page here)

end{titlepage}
tableofcontents
(chapters here)
nocite{*}
printbibliography
end{document}

Version nr 2 gives the error “option clash for package biblatex”

documentclass[english,parskip=half]{scrartcl}

usepackage[utf8]{inputenc}
usepackage[T1]{fontenc}
usepackage{lmodern}
usepackage{babel}
usepackage{microtype}
usepackage{csquotes}
usepackage{biblatex}

usepackage[colorlinks=true,allcolors=black]{hyperref}
addbibresource{lit.bib}

begin{document}

addtoextrasenglish{%
 defsubsectionautorefname{Abschnitt} von Unterabschnitt auf Abschnitt
 deffigureautorefname{Abb.}
}
....(more chapters here)

nocite{*}
printbibliography

end{document}