The programming software for this radio is Kenwood KPG-112DN.
The program will have a serial number provided and is needed to install the program.
IMPORTANT NOTE: Software with a serial number beginning with 112K, will only program narrow band. Serial number beginning with 112W will program both narrow and wide. Obtaining the correct key may be difficult. Contacting Kenwood will only get you a reference to a dealer. Purchasing software from Ebay may be a risk. If the seller doesn't know their serial number, your purchase is a gamble.
ANOTHER NOTE: This radio will program both FM as well as P-25 and will also do wide and narrow band, depending on the software key.
This is Windows software. Is has been successfully installed and tested on VISTA, Win 7 and Win 10. It may very well run on other operating systems.
KPG-112DN will program the following radios:
TK-5220 Portable
TK-5320 Portable
TK-5720 Mobile
TK-5820 Mobile
When you open the software, click on Model, then Product Information. In the drop down box, you can choose your model/type radio.