In other words, it calibrates the color accuracy of your devices.
Your PC activates the ICC profile every time you connect a camera or a printer.
Using the correct ICC profile is crucial when working with image editing tools such as Photoshop.
You want to calibrate your devices so as to get the same colors on both.
The main source for ICC profiles should be the official website of your devices manufacturer.
For example, if you need an ICC profile for your Epson printer, go to Epsons website.
ICC profiles usually come in a .zip file format.
In other words, you oughta first unzip the folder and then extract the files.
The bad news is that not all hardware manufacturers provide users with ICC profiles.
Another option is to simply search for the ICC profiles you need on third-party websites.
But dont download your ICC profiles from shady-looking websites.
The risk of malware tagging along is just not worth it.