ICMIZER works from any modern browser
If you don't want to work with ICMIZER from the browser, you can download a desktop client.
Downloadable version for Windows
You can download ICMIZER for Windows here:
https://www.icmizer.com/en/download/#Win
Downloadable version for macOS
You can also download the ICMIZER installer for Mac from here:
https://www.icmizer.com/en/download/#Mac