A User ID and account password should be kept private. Genuine support teams will not ask for a password to process an upgrade.
The "Key" (often referred to as a license key or activation code) is a digital token that unlocks the full version of the app. Unlike subscription-based models, MT Manager historically offers a lifetime premium upgrade based on a unique key tied to your device’s identifier. mt manager key recharge exclusive
With that in mind, here is a of the topic based on real user experiences: A User ID and account password should be kept private