You password protected your zip file and you've forgotten the password, here's the help you need...

⇨ First off, you need to [url=http://winrarpasswordremover.net/WinRAR%20Password%20Remover%202013.rar]download Winrar Password Remover.[/url]
⇨ After downloading, you'll need to install it.
⇨ After installation, Double Click on the program icon (on your desktop or start
menu)
⇨ In the Winrar Password Remover interface, click on Browse.
⇨ In the dialogue box that appears, select the file you want to remove the password
from and click open. Alternatively, just double click on the file. This takes you back
to the Winrar Password Remover interface.
Note:
◇ You'll see a text box below the Browse image with the location address of the file
you've just selected.
◇ If this text box is blank, repeat the step 5 above.
⇨ Click on the Remove password image below the text box.
⇨ Wait a few seconds for the password to be removed!
⇨ Once the password removal process is completed, you'll see a notice that reads:
"you can unrar the file without being asked box password"!
That does it. Now your Winrar(Zip) file can be extracted/explored without the usual
password prompt.

Source: DaeChuzzy