Power ISO is a software which allows the user to extract ISO files which is the user might have downloaded for different purposes such as games and softwares. Only one file is downloaded. After the file has completed downloading do you need to go to power ISO select the downloaded file and click on extract. The file would then be extracted and then you can access the content that you downloaded. You can download power ISO for free from its website and also you can download the app for your Android and IOS device. I recommend you all to download the software it is very useful sometimes, I personally use it and having a great experience till date. Thank you all