I have pc with windows xp 32-bit can I still install JDK ?

Answer 1

Source Here:
http://docs.oracle.com/javase/7/docs/webnotes/install/windows/windows-system-requirements.html#bit-32

Answer 2

Yes. You can install JDK7 32-bit vesion. JDK8 requires at least Windows 7 or higher.
Download page is here http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html. Windows x86 is the vesion for window xp 32-bit.