For root access on Galaxy S7, you will need to use ODIN Samsung Flashing tool. Which will help you to flash root files and custom recovery on your Samsung smartphone. Please make sure not to flash these CF-Auto-Root files on Galaxy S7 Edge (SM-G935F). Follow these steps at your own risk and rooting process might trip Samsung Knox and Samsung Pay feature will be disabled.
How To Root Galaxy S7 SM-G930F Exynos?
Rooting, aka the process of gaining administrative rights on your device, can allow you to truly remove some bloatware from the device — instead of just disabling it. It’ll free up memory – both of the RAM and storage variety – and that’s just the beginning. If a custom recovery exists for your device, you can even flash newer versions of Android, remove TouchWiz entirely, and more.