MyGica A681 USB ATSC HDTV Tuner with Mini TV Antenna Watch Live Free over the Air TV on your PC or Laptop anywhere you go with the Free ArcSoft TotalMedia Live TV Viewing Software for Windows Comes with free mini TV antenna and remote , USB 2.0 TV Stick that can schedule live TV recording on your PC Via the Electronic Program Guide (EPG) Watch, pause, fast forwarding and rewind live TV. True HD time-shifting function that can pause and replay live TV shows by simply pressing the Pause button and then continue from where you have left-off. Supports Windows 10, Windows 8.1, Windows 7 Please know that - Our tuner works with all version of windows. it does not work on Mac PC. Our tuner only works for over the air TV signals not for cable service. it is clearly noted online.customer must use the enclosed TV viewing software provided in the package. For heat issue, Manufacturer Mygica checked the heat issue at factory and found they are in the allowable range. Microsoft Windows XP / Vista / 7 / 8 /10 P4 2GHz CPU or above for HDTV 1 GIG RAM or above for HDTV VGA card with at least 32 GB for HDTV Sound card or onboard sound chip One free USB 2.0 port (not compatible with USB 1.1) Microsoft Direct X 9.0 or above Microsoft Media player 9.0 or above UHF/VHF antenna for ATSC CATV Signal or clear QAM ATSC Mini USB Stick USB Cable Quick Installation Guide