The "25" in your search query generally refers to version 2.5 of the software, a release that saw widespread distribution in the late 2000s alongside Windows XP and Windows 7-era capture hardware. If you are searching for a and an "upd" (update) , it is likely because the installation CD you have is missing the sticker, or the software is prompting for an activation key after an attempted reinstall.
In , navigate to Media > Open Capture Device , set the capture mode to DirectShow , choose your video/audio device names, and click Play or Convert to record. honestech tvr 25 serial upd