More and more users are switching to 64-bit version of Windows these days. The obvious advantage of 64-bit Windows over 32-bit is that the former one can utilize more than 4GB of RAM efficiently. The good thing is that you don’t need to shell out more for 64-bit copies of Windows 7, as both 32-bit and 64-bit versions of a Windows 7 edition cost you same.
If you have plans to procure a copy of Windows 7 64-bit and install it on your PC, you need to make sure that your PC’s processor is compatible with 64-bit Windows, as not all processors out there support 64-bit Windows. Another thing is that you can’t directly upgrade your existing 32-bit Windows XP and Vista to Windows 7 64-bit.
So if you are planning to purchase a 64-bit Windows 7 copy and would like to know if your system is ready for the same or not, you can use the tiny BITS tool. BITS is a portable tool for Windows 7, Vista and XP to know your system’s compatibility with 64-bit Windows.
Download, extract, and simply run the tool to know about your CPU type (32 or 64), your current Windows OS type (32 or 64-bit) and also about virtualization support. If BITS is showing that your CPU type is 64, then you can go ahead and install Windows 7 64-bit on your PC.
If you are new to Virtualization, Virtualization feature is required to install and run Windows XP Mode feature, which is available in Windows 7 Professional, Enterprise and Ultimate editions run Windows XP and XP compatible programs on Windows 7 as well.
As mentioned earlier, please keep in mind that you can’t directly upgrade your existing 32-bit Windows to 64-bit Windows. For instance, you can’t perform a direct upgrade from Vista Ultimate 32-bit to Windows 7 Ultimate edition 64-bit. However, you can do a clean install of Windows 7 by removing the existing 32-bit Windows. One can also instal both 32-bit and 64-bit systems in dual-boot without any issues.
Download BITS (via Softpedia)