JDK and JRE install on 64-bit Windows 7
· 64-bit OS, 64-bit Browsers:
download JDK 6 Update 20 76.29 mb self-installing executable. Select JDK 6 Update 20 then your platform and choose Windows (or whatever your platform. Windows 7 64-bit, you will need both 64-bit JDK for the deskop and a 32-bit JRE for 32-bit browsers.) If both browsers don’t show up in the Java control panel, manually add the missing one. If you have a 64-bit browser, you can run your Applets and Webstart in 64-bit too. All the common Windows browsers are still 32-bit.