CHIRP software is a free, open-source tool for programming your amateur radio. It supports a large number of manufacturers and models, as well as provides a way to interface with multiple data sources and formats.
In order to serve most customers, Retevis established a cooperation with chirp. Many of our models are supported by chirp.
On www.retevis.com website, we have a chirp interface.
Choose your computer system to download. For example, my computer system is Windows 7. So I click”Click here to download the latest Windows version”.
Click the green bar Window Installer to install.
Then we get this , click to install it.
Then we come to the chirp interface.
Click “download from Radio”
Choose the corresponding model, it’ll come to the corresponding chirp software. Done!