1- but what is ice tool ? Is an application to easily add and remove Chromium site specific browsers in Debian and Ubuntu based Linux distributions. It was originally created for Peppermint OS Ice and is now used as the default SSB application in Peppermint OS since the two branches of the OS merged for Peppermint Two. Since version 5, Ice has supported Google Chrome. Since version 5.1, Ice has supported Mozilla Firefox. (Peppermint os team)
Lets begin; open a terminal with ctrl+alt+t then follow this tutorial
2- cd Downloads (or any folder you want)
4- sudo dpkg -i ice_5.2.1_all.deb
5- or simply go to the folder where you download the package and double click on it to install it with software center.