Upgrading to a 64 bit

[rowchamp]

Can I switch a 32 bit laptop to 64 bit I have an Inspiron Dell 1545

 

[captaincharisma]

how much RAM does it have?

 

[Ironsounds]

Hello... 1) The CPU model needs to checked for x64.
2) you can not upgrade a 32 bit OS to 64 bit... a clean x64 install will be needed.