so if i dont have winzip im screwed?
You don't need winzip or any third party software to unzip the file if you're using Windows 10. Here's a 2min video that shows how to do it
you dont winzip is a scam. if you really want a 3rd party software that is really good at unziping files and makes it really easy on the user, try 7-zip, its literally free and has a ton of quality of life things
