Normally you can use the 32 or 64 Bit .. But your Laptop will not run a 32 Bits OS its all down to the Chipset if you look on the Asus Website you will see there are no Drivers available for Windows 8 32 Bit ...
My Computer
At a glance
windows 7 home 64bitINTEL-CORE I716GB
- Computer Manufacturer/Model Number
- W530-3630QM1
- OS
- windows 7 home 64bit
- CPU
- INTEL-CORE I7
- Memory
- 16GB
- Hard Drives
- 750GB
- Browser
- Chrome