I don't own a TN D700 but it is a supported radio. The cable driver if the cable uses a PL2303 chip, is the same version as Windows 7 (3.2.0.0) I supposed any driver will work for FTDI based cables. Knowing all this, you can be 99% certain your radio, Chirp will work in Windows 8.x and it works in Windows 7.
You can get the daily latest build of Chirp from here http://trac.chirp.danplanet.com/chirp_daily/LATEST/
If it works with the daily build then you can just continue to use that build. I don't install every daily build that's advertised. Unless some new features have been added involving my radios.
________________________________ From: "ROLAN.CLARK@comcast.net" ROLAN.CLARK@comcast.net To: chirp_users@intrepid.danplanet.com; leonard.keepers@comcast.net Sent: Wednesday, February 19, 2014 7:28 PM Subject: [chirp_users] win7 and win 8.1
Dear all, Has anyone used the latest Chirp version with Win7 or Win8.1 to download memory data from a Kenwood TM-D700 and made changes successfully? Thanks for any consideration, 73 de rolan w3fdk
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