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how i can know if my laptop is compatible to a bit 64.
Hold the windows key and pause break down together . This will open your System and if you look under system type it will tell you if your running 32-bit or 64-bit. If you cant open you system this way go to the start menu open the control panel then find system . Hope this helps
If it is running windows; go to control panel>system. Under the line “system” it will say system type: 64-bit or 32-bit operating system depending on which it is.