Big Screen is the abbreviations of Virtual mutil-head Graphics Card and its supporting tool. Big Screen is the virtual graphics driver and operating tools for 32-bit Windows. It is a powerful tool replacing the dual head graphics cards and the part feature of four-screen graphics card. Currently Windows versions that Big Screen support is including: Windows2000 / WindowsXP / Windows2003 / Vista / Windows 7. Big Screen Features: 1. Simulate the special funtion of mutil-head graphics card, expand the user's screen space. 2. Expand or clone the screen of your primary computer into another connected computer through network. 3. Provides a rich and convenient navigation tools: fast navigation on the local and romote screen through eagel view and mouse. 4. Wide compatibility: almost support all the popular graphics card in the market.