If you’re a lazy dude like me and you don’t like to double click on files/folders to open them… here is how you enable the Single click to open items option.
To enable the option click on your folder launcher and follow these steps:
Click on Edit in the window menu on the top panel
Select the Behaviour tab
Click on Single click to open items
Click on the Close button
When done you can open a file/folder with just a single click!