Windows XP A to Z - http://www.softwaretipsandtricks.com/windowsxp
Windows 7 64-bit or Windows 7 32-bit
http://www.softwaretipsandtricks.com/windowsxp/articles/971/1/Windows-7-64-bit-or-Windows-7-32-bit
Super Admin
 
By Super Admin
Published on 12/15/2009
 
Read to find out which one to choose.

Windows 7 64-bit or Windows 7 32-bit

If you are planning to install Windows 7 on your current computer, 32-bit is recommend because of drivers and software compatibility issues.

If you are buying a new computer, select 64-bit. If you are assembling a new computer, make sure all hardware you purchase have 64-bit drivers.

32-bit software and drivers will not work in 64-bit.
64-bit software and drivers will not work in 32-bit.

Even your printer, scanner and mobile will stop working in your 64-bit computer if they do not have 64-bit drivers.

Its impossible to find 64-bit drivers for old hardware.

It is recommend to switch to 64-bit when you are buying a new computer. Starting late 2009 and from 2010, 99.99% of software and hardware will support 64-bit.

Note: Retail versions of Windows 7 will include both 32-bit and 64-bit discs.