Solved Any way to make my 32-bit SP3 OS, 64-bit? Tags: Windows XP RAM Last response: June 4, 2013 3:59 PM in Windows XP Share ESKlassen June 4, 2013 3:55:42 PM Title basically explains it ^^ 32-bit only uses up to 3.5 GB of RAM :-/ More about : make bit sp3 bit Best solution USAFRet June 4, 2013 3:59:11 PM The only way is a reinstall. There is no conversion or upgrade. Share USAFRet June 4, 2013 3:59:52 PM And if you're going to reinstall, just go to Win7 64bit. m 0 l Can't find your answer ? Ask ! Publish Related resources SolvedCan I upgrade from WinXP SP3 32-Bit to WinXP 64-Bit? Forum Solved32-bit to 64-bit OS solution SolvedHow to determine whether my OS is 32-bit or 64-bit solution SolvedNeed to make SP3 slipstream of XP Pro from Upgrade CD & Underlying OS solution SolvedIs there any way to know that my processor is 32bit or 64bit solution SolvedTurning My 32-bit OS to 64-bit solution Index scoring between 32bit and 64bit OS solution Solved32bit drivers on a 64bit os? Forum SolvedIs there any way to use more than 3.5GB RAM in 32bit Windows 8-OS? solution SolvedCan i use 32-bit OS in 64-bit Intel p6200 processor laptop Forum SolvedWhy would Asus install a 32-bit OS on a 64-bit system? Forum Microsoft Office Basic 2007 32-bit Install on Windows 7 Home Premium 64-bit OS. solution can i install a windows 8, 32bit in a patitioned disk of a system that comes with windows 8 64bit as it os solution Can I do a clean install of windows 8 64-bit on a ssd (840 Pro) with OS (win 8 32-bit) already installed? solution 64-bit OS system requirement of a GPU will work on 32-bit OS? Forum will autodesk entertainment creation suite 2013 32bit supports 64bit os? solution how do I re install my win 7 64bit which was changed to a 32bit os solution which will make my computer run faster ? windows 7 ultimate 32bit or 64bit ? solution 32bit OS 64bit CPU solution Fastest way to switch from Win 7 32-bit to 64-bit? Forum More resources Read discussions in other Windows XP categories Configuration Customization Drivers Security Video !