Hardware (HW) Identifier (ID) is what HWID stands for. This particular code was created by combining several parts of your computer.
Because there is very little probability of a HWID being identical to any other, they are unique in the whole globe.
Most hacks enable your HWID to “lock” in. It indicates that your HWID is “saved” the first time you use your key.
It will verify that the HWID matches the stored one each time the key is used. The hack will function if they match; if not, an error will be shown.
This is done to stop users from selling or distributing their license key after using it.