Windows XP is almost NEVER in "64 bit".
You have to specifically purchase XP 64 bit, as opposed to regular XP which is 32 bit. 64 bit processors will run 32 bit XP without problems, but you'll get a little more performance and some extra features (GUID partitions) on 64 bit windows.
Once again - it's "always" in 32 bit, unless you go buy 64 bit.
Yes. All editions of Windows Vista have a 64-bit version available. There are also 64-bit versions of Windows Server 2003. Windows Server 2008, and Windows XP Professional.
Windows 7 Home Professional 64-bit
Windows XP Professional x64 Edition
Since it runs with Windows 7 (which is a 64 bit operating system) - then yes.
Minimum System Requirements:Operating SystemsMicrosoft Windows XP Home Edition (Service Pack 2 or higher)Microsoft Windows XP Professional (Service Pack 2 or higher)Microsoft Windows XP Professional x64 Edition (Service Pack 2 or higher)Microsoft Windows Vista Home Basic (32/64 Bit)Microsoft Windows Vista Home Premium (32/64 Bit)Microsoft Windows Vista Business (32/64 Bit)Microsoft Windows Vista Enterprise (32/64 Bit)Microsoft Windows Vista Ultimate (32/64 Bit)Microsoft Windows 7 Starter (32/64 Bit)Microsoft Windows 7 Home Basic (32/64 Bit)Microsoft Windows 7 Home Premium (32/64 Bit)Microsoft Windows 7 Professional (32/64 Bit)Microsoft Windows 7 Ultimate (32/64 Bit)Required for all installationsAbout 480 MB free space on the hard drive (depends on the size of the antivirus database)CD/DVD Drive for installation of the program from CD ROMComputer mouseInternet connection for product activationMicrosoft Internet Explorer 6 or higherMicrosoft Windows Installer 2.0
To use 64-bit specific applications, you must purchase both a 64-bit processor and a 64-bit version of Windows. 64-bit applications will not run on 32-bit versions of Windows, even if a 64-bit capable processor is installed. You also cannot install a 64-bit version of Windows on a 32-bit only processor.
Yes, except for Windows XP 64-bit and Windows Server 2003 64-bit with Itanium processors.
Every Windows Distribution is writen in binary non Open Source files. By the way, there are different versions of Windows Vista: Windows Vista 64-bit and Windows Vista 32-bit. Windows Vista 64-bit or x64 can work with 64-bit AMD Processors.
will ccleaner work on a 64-bit windows instillation
no
If you are currently running a 32-bit version of Windows, you can only perform an upgrade to another 32-bit version of Windows. Similarly, if you are running a 64-bit version of Windows Vista, you can only perform an upgrade to another 64-bit version of Windows Vista. If you want to move from a 32-bit version of Windows to a 64-bit version of Windows Vista, you'll need to back up your files and then perform a custom installation of the 64-bit version of Windows 8. For more information, visit the Related Link:
According to the textbook "A+ guide to managing and maintaining your pc" the answer is simply the Windows XP Professional x64 Edition .