A valid product license. Master Property Manager is a product licensed and sold by Search Discovery. Without a valid license, no product functionality will be accessible.
An Adobe Launch environment containing the properties that you which to manage.
A Chrome browser (see below)
An Adobe Launch account with permissions to modify the properties that you wish to manage. Master Property Manager automates activity by making Launch API calls. These calls are made as if the currently logged in user had done them. As such, Master Property Manager has no more authority than the currently logged in user.