Pre-requisite

The base version Z and I Emulator for Windows version 3.0 full Installer must be installed in the system prior to the installation of higher version of RefreshPack update installer. The user must be Administrator to perform the Upgrade and Rollback for the base version is less than version 3.0

Note: From 2.0 onwards, the Auto-upgrade feature allows Windows users who are not part of the “Administrator” group (Standard User). A Standard User upgrade to the latest version with a base version of 3.0 or higher only.