If I were you I would simply install the 32 bit versions and use the 32 bit browser version of IE. There is no real advantage to using the 64 bit version
one problem with Java is that downloading and installing the 64 bit version tends to remove the Java icon fro Control Panel so you lose the ability to check for updates manually and to see what version you have installed.
IE 10 is 64 bit on 64 bit PCs. alanrwood, no choice except new tabs can open in 32-bit by default on a 64-bit PC. I've changed the option on tabs as 64-bit is more secure.
On 64-bit Windows 8, the browser frame process (both “modern UI” and Desktop) runs 64-bit. However, for compatibility with plug-ins, IE 10 on the desktop runs 32-bit tabs by default. If the user turns on “Enhanced Protected Mode” in Internet Options, Advanced; they will have 64-bit tabs by default for IE 10 on the Desktop.