Go to the main site of cmder.
You should download the full version even if you have already installed Git for Windows.
First, unzip the package.
Then you can cut and paste the unziped folder anywhere on your computer.
Recommended on typical HDD instead of your main SSD.
You should add the cmder as shortcut in your context menu.
Follow this guide to make it works.
If you are a JetBrains addict, you can follow this guide to change the cmd by cmder.