Следует ли мне устанавливать 32-битную ОС или 64-битную? [дубликат]

CPUinfo:

Architecture:          i686
CPU op-mode(s):        32-bit, 64-bit
Byte Order:            Little Endian
CPU(s):                2
On-line CPU(s) list:   0,1
Thread(s) per core:    1
Core(s) per socket:    2
Socket(s):             1
Vendor ID:             GenuineIntel
CPU family:            6
Model:                 23
Model name:            Intel(R) Core(TM)2 Duo CPU     E7500  @ 2.93GHz
Stepping:              10
CPU MHz:               2933.000
CPU max MHz:           2933.0000
CPU min MHz:           1600.0000
BogoMIPS:              5850.78
Virtualization:        VT-x
L1d cache:             32K
L1i cache:             32K
L2 cache:              3072K
Flags:                 fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constant_tsc arch_perfmon pebs bts aperfmperf eagerfpu pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm sse4_1 xsave lahf_lm tpr_shadow vnmi flexpriority dtherm