Nero LiquidTV offers the unique ease-of-use, personalized features, and flexibility that other digital video recorders (DVRs) don't. That's because at the core of Nero LiquidTV is the Emmy award-winning TiVo service, which is always working to automatically find and digitally record the entertainment you want to watch, and to suggest related programming you might like to see. Watch and pause live TV on your PC - Just press Pause and come back to it when you're ready The TiVo experience is now on your PC - Nero LiquidTV does everything a set-top-box DVR does, as well as everything else you wish it would do. Now you can transfer shows between computers or TVs throughout your home network Export shows to digital media players - Nero LiquidTV makes it simple to export TV shows to an iPod, PSP, or other mobile device Burn to DVD - Build an archive of your favorite TV shows Connect to a TV - Connect your computer to an external TV set and enjoy your content on the largest screen in the house Supports 4 tuners - Record two shows at once with support for up to 4 analog, satellite, and cable (ATSC and NTSC) tuners. Only supports one set-top-box among themMinimum System Requirements Windows XP or Vista x86/x64 20 GB available hard disk space for TV recordings BDA-compatible TV tuner or video capture card for analog and digital recording (included in the retail box - USB port required)