Update n9kv download info

Author: rahushen

CONTRIBUTING.md

@@ -4,7 +4,7 @@ Cisco Network Elements support a rich set of features to make network robust, ef
 ## Getting Started
 
 * Create a [GitHub account](https://github.com/signup/free)
-* A virtual Nexus N9000/N3000 may be helpful for development and testing. Users with a valid [cisco.com](http://cisco.com) user ID can obtain a copy of a virtual Nexus N9000/N3000 by sending their [cisco.com](http://cisco.com) user ID in an email to <get-n9kv@cisco.com>. If you do not have a [cisco.com](http://cisco.com) user ID please register for one at [https://tools.cisco.com/IDREG/guestRegistration](https://tools.cisco.com/IDREG/guestRegistration)
+* A virtual Nexus N9000/N3000 may be helpful for development and testing. Users with a valid [cisco.com](http://cisco.com) user ID can [download the software on CCO.](https://software.cisco.com/download/release.html?mdfid=286312239&softwareid=282088129&release=7.0(3)I5(2)&relind=AVAILABLE&rellifecycle=&reltype=latest) If you do not have a [cisco.com](http://cisco.com) user ID please register for one at [https://tools.cisco.com/IDREG/guestRegistration](https://tools.cisco.com/IDREG/guestRegistration)
 
 
 ## Making Changes