MiniTool maintains a blacklist of leaked license keys. Even if you find a key that works today, the next time the software connects to the internet (or during a future update), the license will be deactivated, leaving you with a locked version and potentially scrambled settings.
The software offers several tiers based on the number of devices and specific feature sets: minitool partition wizard license key
"Cracked keys work forever if you block the software in the firewall." MiniTool maintains a blacklist of leaked license keys
Once you have obtained a legal license key (via purchase or official giveaway), here is how to activate it correctly: the license will be deactivated