Download, go to files explorer, go to downloads folder, right click the squidgame folder, click extract, wait for it to extract, open the new folder, click squid game.exe or whatever it is, then have fun :D
Download this file, after downloading, open "file explorer" in your desktop and right click on the "squid game" file which you downloaded, then click on "extract here" and a new folder will be created, click there and open the .exe file and play