Use the if you want to create a specific new folder for every zip file you extract.
"$(dirname "{}")" : Determines the parent directory of the current zip file, ensuring the contents extract right next to the archive rather than cluttering your root folder.
-d $(dirname {}) : Tells unzip to extract the files into the as the zip file itself. \; : Ends the -exec command. 1.2 Unzip files and delete the archive afterward
