參考看看：
Sony UK
下載那個"XP Downgrade installer v4.0 for VAIO notebooks"，執行後會下載下列檔案到硬碟裡：
.\VPCF2\Drivers\Graphics_Driver_NVIDIA_X32_6.14.12.6893.zip
.\VPCF2\Drivers\Audio_Driver_Realtek_X32_5.10.0.6402.zip
.\VPCF2\Drivers\Memory_Card_Reader_Writer_Driver_Ricoh_MS_X32_6.13.10.25.zip
.\VPCF2\Drivers\Memory_Card_Reader_Writer_Driver_Ricoh_SD_X32_6.13.10.26.zip
.\VPCF2\Drivers\Pointing_Driver_Synaptics_X32_15.3.1.0.zip
.\VPCF2\Drivers\USB_3.0_Driver_NEC_X32_2.0.32.0.zip
.\VPCF2\Drivers\SNC_Driver_Sony_6.0_10Q3_6.0.1.08290_020604.zip
.\VPCF2\Drivers\Wireless_LAN_Driver_Atheros_X32_9.2.0.412.zip
.\VPCF2\Drivers\Wireless_LAN_Driver_Intel_X32_14.0.2.2.zip
.\VPCF2\Drivers\Bluetooth_Driver_Broadcom_X32_5.5.0.7600.zip
.\VPCF2\Drivers\Bluetooth_Driver_Atheros_X32_7.3.0.90.zip
.\VPCF2\Drivers\Chipset_Driver_Intel_X32_9.2.0.1030.zip
.\VPCF2\Drivers\Dpinst.zip
.\VPCF2\Drivers\Ethernet_Driver_Realtek_X32_5.776.1111.2010.zip
.\VPCF2\Drivers\ME_Driver_Intel_X32_7.0.0.1144.zip
.\VPCF2\Drivers\SATA_Driver_Intel_Non-RAID_X32_10.5.0.1026.zip
.\VPCF2\Utility\Setting_Utility_Series_1.9.07_XPDG_1.9.07.04150.zip
.\VPCF2\Utility\Sony_Utilities_DLL_7.0_7.0.07.04180.zip
.\VPCF2\Utility\VAIO_Control_Center_1.1_1.1.03.10061.zip
.\VPCF2\Utility\Battery_Checker_1.1_1.1.00.05150.zip
.\VPCF2\Utility\Battery_Care_Function_1.0.07_1.0.07.06120.zip
.\VPCF2\Utility\Wireless_Switch_Setting_Utility_4.3_4.3.00.05230.zip
.\VPCF2\Utility\Sony_Shared_Library_for_XP_2.10_2.10.00.01250a.zip
.\VPCF2\Utility\VAIO_Event_Service_2.9.06XPD_2.9.06.04080.zip
.\VPCF2\Utility\CTO_desktop_link.zip
.\VPCF2\Utility\VAIO_Power_Management_1.9.15XP_1.9.15.03240.zip
.\VPCF2\VPCF2_01.zip
.\Common_05.zip

如上面先輩提醒的，有部分的驅動程式或是軟體安裝程式是32/64bit共用；希望對您有幫助。