A way to uninstall java 7 update 1 64bit using advanced uninstaller pro java 7 update 1 64bit is a program offered by oracle. Also, with the jump from 32 to 64 bits, a security feature called address space layout randomization aslr works better to protect you from attackers. java can run applications developed using the java programming language and set of development tools. For downloading 64 bit java click 64 bit manual download the only offline installer, as far as i can tell, has only installed the 32 bit.
Ccleaner is the numberone tool for cleaning your windows pc. Recently i bought a new desktop system and installed windows 7 ultimate 64 bit on it.