I have much junk file in my drive. Now how can i remove all the junk file?

What is it that you are classifying as junk files? If you mean items in the recycle bin, just empty it.
Run Disk clean up which also removes temp files and that type of thing. But we need to know what you mean when you say junk files. If you mean programs you no longer use then those would need to be actually Uninstalled using Add/Remove.

I have much junk file in my drive. Now how can i remove all the junk file?

you just need to run disk cleaner on that particular drive, from which you want to remove all the junk files.
it will surely help you.

BleachBit/CCleaner?

After seeing his post above I now agree with caperjack, only thing is now it's not just the signature but the post as well

Thank you all.

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