\documentclass{article}
\usepackage{soul}
\begin{document}
I'm19 and I know how to use \LaTeX, \LaTeX is more used in academia, they taught me \LaTeX in Uni, but a lot of other people just won't ever heard of it because is rare to find in other places, most technical degrees and even a lot of uni ones won'tuse it \st{even if it's vastly superior to word}.
\huge \LaTeX rules
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\documentclass{article} \usepackage{soul} \begin{document} I'm 19 and I know how to use \LaTeX, \LaTeX is more used in academia, they taught me \LaTeX in Uni, but a lot of other people just won't ever heard of it because is rare to find in other places, most technical degrees and even a lot of uni ones won't use it \st{even if it's vastly superior to word}. \huge \LaTeX rules \end{document}}I think you dropped this.
You have to excuse me, texstudio adds automatically the closing one.