Hi all How do i find out whether my laptop supports a 32 bit OS or 64 bit OS. I basically want to install 64 bit ubuntu on it. I am using a 32 bit ubuntu 10.04 on it as of now but want to know if i can install 64 bit ubuntu on it or not. Please let me know how do i find out this information on my existing laptop running 32 bit ubuntu 10.04 Thanks Jatin