MZpack 3/MZpack 3 Pro
Ther are two ways to find out the Hardware Id of your machine.
First:
Open on-the-fly settings of any MZpack 3 indicator.
Hardware Id is in Licensing section of the settings. You can select and copy it.
Second:
For MZpack 3 find the file C:\Users\<Your Windows user name>\AppData\Local\MZpack\MZpack 3 NT8\Settings.xml
For MZpack 3 Pro find the file C:\Users\<Your Windows user name>\AppData\Local\MZpack\MZpack 3 Pro NT8\Settings.xml
See the line <LicenseKey>ANAQF-...</LicenseKey>
Folder AppData is a hidden folder. So check View - Hidden items in Explorer first (for Windows 8 and Windows 10).
Video instructions: https://youtu.be/1ExOungXtbg?t=26s
MZpack 2
Find the file C:\Users\<Your Windows user name>\AppData\Local\MZpack\MZpack 2 NT7\Settings.xml
See the line <LicenseKey>ANAQF-...</LicenseKey>
Folder AppData is a hidden folder. So check View - Hidden items in Explorer first (for Windows 8 and Windows 10).
Video instructions: https://youtu.be/1ExOungXtbg?t=26s