My cpu is celeron 550, when I look about it in windows vista I saw it is a 32 bit cpu, isn t it Now I copy the data and I see that is 64 bit is it true IntelR CeleronR CPU 550 Socket Designation U10 Manufacturer IntelR Voltage V External Clock 133 MHz Min/Max Speed 249/1999 MHz Current Speed of Core 01999 MHz Core Count 1 64-bit capable Yes Frequency governor performance Freq. scaling driver p4-clockmod l1tfMitigation PTE Inversion meltdownVulnerable spec_store_bypassVulnerable spectre_v1Mitigation __user pointer sanitization spectre_v2Mitigation Full generic retpoline ▶—— /proc/cpuinfo ——◀ processor 0 vendor_id GenuineIntel cpu family 6 model 22 model name IntelR CeleronR CPU 550 stepping 1 microcode 0x33 cache size 1024 KB physical id 0 siblings 1 core id 0 cpu cores 1 apicid 0 initial apicid 0 fdiv_bug no f00f_bug no coma_bug no fpu yes fpu_exception yes cpuid level 10 wp yes 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 tm pbe nx lm constant_tsc arch_perfmon pebs bts aperfmperf pni dtes64 monitor ds_cpl tm2 ssse3 cx16 xtpr pdcm lahf_lm dtherm bugs cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf bogomips clflush size 64 cache_alignment 64 address sizes 36 bits physical, 48 bits virtual power management Other data you requested me 1st answer ▶—— USB DEVICES usb-devices ——◀ VendorID=1d6b ProductID=0002 Rev= Manufacturer=Linux ehci_hcd Product=EHCI Host Controller SerialNumber=000000 Driver=hub VendorID=1d6b ProductID=0002 Rev= Manufacturer=Linux ehci_hcd Product=EHCI Host Controller SerialNumber=000000 Driver=hub VendorID=0bda ProductID=1a2b Rev= Manufacturer=Realtek Product=DISK Driver=usb-storage VendorID=1d6b ProductID=0001 Rev= Manufacturer=Linux uhci_hcd Product=UHCI Host Controller SerialNumber=000000 Driver=hub VendorID=1d6b ProductID=0001 Rev= Manufacturer=Linux uhci_hcd Product=UHCI Host Controller SerialNumber=000000 Driver=hub VendorID=046d ProductID=c05a Rev= Manufacturer=Logitech Product=USB Optical Mouse Driver=usbhid VendorID=1d6b ProductID=0001 Rev= Manufacturer=Linux uhci_hcd Product=UHCI Host Controller SerialNumber=000000 Driver=hub VendorID=1d6b ProductID=0001 Rev= Manufacturer=Linux uhci_hcd Product=UHCI Host Controller SerialNumber=000000 Driver=hub 2nd answer ▶—— Linux Kernel ——◀ Kernel Release Build Date Thu Mar 14 154119 GMT 2019 Build GCC OS Support GNU/Linux Architecture i686 SMP Enabled Yes PAE Enabled Yes Kernel Command Line pdrv=033e8fc7-4cfe-9454-bc59-df7329ca862d pmedia=atahd psubdir=/ pfix=fsck I hope the data will be enough Thank you very much for the time you spend to help me and other people who are at the beginning Sr Mariagrazia