I installed Java7(64bit), EclipseKepler(64bit) and my OS is Win10(64bit) also how can I fix this?

I installed Java7(64bit), EclipseKepler(64bit) and my OS is Win10(64bit) also how can I fix this?

You seem to have a Java version which is of 32 bit, where the eclipse is picking up. Follow the instructions written here in the post Can't start Eclipse - Java was started but returned exit code=13
and it should solve your problem.
cheers,
Saurav