Admin instance tutorial for cmd 404 fix

readme.md

@@ -72,7 +72,7 @@ sudo tlmgr update --all
 sudo tlmgr install pdfx xcolor xmpincl caption changepage csquotes emptypage epigraph nextpage eurosym layaureo listings microtype mparhack relsize quoting subfig booktabs glossaries glossaries-italian glossaries-english biber biblatex babel babel-italian cm-super greek-fontenc latexmk fancyhdr
 ```
 
-As you can see `tlmgr` asks for admin rights, so you'll need to use `sudo` on Linux/macOS, while on Windows you have to [open a command prompt instance as admin](https://www.howtogeek.com/194041/how-to-open-the-command-prompt-as-administrator-in-windows-8.1/) and omit the `sudo` at the beginning of the lines.
+As you can see `tlmgr` asks for admin rights, so you'll need to use `sudo` on Linux/macOS, while on Windows you have to [open a command prompt instance as admin](https://www.makeuseof.com/windows-run-command-prompt-admin/) and omit the `sudo` at the beginning of the lines.
 
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