............................................________
....................................,.-'"...................``~.,
.............................,.-"..................................."-.,
.........................,/...............................................":,
.....................,?......................................................,
.................../...........................................................,}
................./......................................................,:`^`..}
.............../...................................................,:"........./
..............?.....__.........................................:`.........../
............./__.(....."~-,_..............................,:`........../
.........../(_...."~,_........"~,_....................,:`........_/
..........{.._$;_......"=,_......."-,_.......,.-~-,},.~";/....}
...........((.....*~_......."=-._......";,,./`..../"............../
...,,,___.`~,......"~.,....................`.....}............../
............(....`=-,,.......`........................(......;_,,-"
............/.`~,......`-...................................../
.............`~.*-,.....................................|,./.....,__
,,_..........}.>-._...................................|..............`=~-,
.....`=~-,__......`,.................................
...................`=~-,,.,...............................
................................`:,,...........................`..............__
.....................................`=-,...................,%`>--==``
........................................_..........._,-%.......`
...................................,
sorry, just had to do that.
in this case, 64 bit refers to the width of the intstructions for the CPU.
Color depth depends on the video card you have, and you will only find better than 32 bit color (usually 48 bit) in expensive professional cards used for photo editing. Even then, you also need a monitor capable of displaying that many colors.