crossgrade

Verb

 * 1)  To upgrade (a software application) so that it is able to run on a different platform.
 * 2)  To switch from an existing subscription to one at the same price or service level.
 * 1)  To switch from an existing subscription to one at the same price or service level.
 * 1)  To switch from an existing subscription to one at the same price or service level.

Noun

 * 1)  An upgrade of a software application that enables it to run on a different platform.
 * 2)  A switch from an existing subscription to one at the same price or service level.
 * 1)  A switch from an existing subscription to one at the same price or service level.