Why Rhino 6 not installed

hi i have Rhino 2 in my computer but when i try to install Rhino 6 itsnot supported
can i know the reason

You have to check your system and Rhino 6 System Requirements then you’ll know Y.

https://www.rhino3d.com/6/system_requirements

Hello - what is the exact error message you see?

-Pascal

after download the program when i open it to run the program show it is not supported i donot know the reason my be because i has the previous version ?

As suggested, check the system requirements. A recent 64-bit Windows version, a GPU that does OpenGL 4.1 or newer…