Listing of what a software program or hardware device requires in order to operate properly. The system requirements are listed on the software or hardware packaging. If your computer does not meet the minimum system requirements, the program you are attempting to run will almost definitely not work. Below is an example of what the system requirements are for Microsoft Windows 7 and is an example of what most system requirements resemble.
Windows 7 system requirements
1GHz processor or faster
32-bit (x86) or 64-bit (x64)
1GB of RAM for 32-bit or 2GB of RAM for 64-bit
16GB of hard drive space for 32-bit or 20GB for 64-bit
DirectX 9 graphics device with WDDM 1.0 or higher.