can't install PDT for eclipse kepler

1) Go to help->install new software->select (--All available sites--) for work with.

2) tick the php developmet tools (PDT) in programming languages.

3) next

4) Finish

5) Restart

when you selected another item in work with drop down, then php perspective not loading.

then again you want to go help -> install new software -> click already installed link

uninstalled PDT and try again.