How can i change 32 bit to 64 bit windows xp service pack 3

[muzammilbca]

suggest me.

 

[Hawkeye22]

There is no upgrade path going from 32 bit to 64 bit or vice-versa. You need to get a 64 bit OS and do a clean install.

 

[macleonard]

suggest me.

u can't just change it, it has to be installed with a 64bit OS