A: For issuing your license file we need the name of your license server. This is often called the "hostname". For single-user installations this usually is the machine that your are using THESEUS-FE on.
Furthermore we need the MAC address of its Ethernet network card. For FlexNet licensing this is called the "hostid".
To determine this information there are several methods specific to the operating system that is used.
See the questions below for instructions on how to determine this data.

A: On each operating system there are several ways to determine the hostname. Choose the one which you prefer.

on Windows:

Method 1 (using native tools):
Open up the command prompt and enter: hostname

Method 2 (using FlexNet tools):
Alternatively you can use the FlexNet utility tools to determine the MAC address. These are included in the THESEUS‑FE installation packages or can separately be downloaded from the software downloads page

Open up the command prompt, go to the directory where the tool "lmutil.exe" is located in and enter: lmutil.exe lmhostid -hostname

on Linux:

Method 1 (using native tools):
Open up a terminal window and enter: hostname

Method 2 (using FlexNet tools):
Alternatively you can use the FlexNet utility tools to determine the MAC address. These are included in the THESEUS‑FE installation packages or can separately be downloaded from the software downloads page

Open up the terminal window, go to the directory where the tool "lmutil" is located in and enter: lmutil lmhostid -hostname

A: On each operating system there are several ways to determine the hostid. Choose the one which you prefer.

on Windows:

Method 1 (using native tools):
Open up the command prompt and enter: ipconfig /all
The block for the Ethernet network card usually starts with "Ethernet adapter Local Area Connection".
The MAC address is listed as "Physical Adress" and has the form "XX-XX-XX-XX-XX-XX" using 12 hexadecimal digits.

Method 2 (using FlexNet tools):
Alternatively you can use the FlexNet utility tools to determine the MAC address. These are included in the THESEUS‑FE installation packages or can separately be downloaded from the software downloads page

Open up the command prompt, go to the directory where the tool "lmutil.exe" is located in and enter: lmutil.exe lmhostid -ether

This will show the MAC address of the Ethernet network card(s) in the form "XXXXXXXXXXXX" using 12 hexadecimal digits

on Linux:

Method 1 (using native tools):
Open up a terminal window and enter: /sbin/ifconfig
The block for the Ethernet network card usually starts with "eth0".
The MAC address is listed as "HWaddr" and has the form "XX:XX:XX:XX:XX:XX" using 12 hexadecimal digits.

Method 2 (using FlexNet tools):
Alternatively you can use the FlexNet utility tools to determine the MAC address. These are included in the THESEUS‑FE installation packages or can separately be downloaded from the software downloads page

Open up the terminal window, go to the directory where the tool "lmutil" is located in and enter: lmutil lmhostid -ether

This will show the MAC address of the Ethernet network card(s) in the form "XXXXXXXXXXXX" using 12 hexadecimal digits

A: The GUI settings are stored per user in user-specific storage in the user's home directory. Its format is based on the QSettings class from the Qt framework.

on Windows:

%HOMEPATH%\AppData\Roaming\PUZ\THESEUS-GUI.ini

on Linux:

~/.config/PUZ/THESEUS-GUI.ini

You should only change this file by hand, if you are certain about the right syntax. Otherwise stick to setting it within the GUI options under Tools → Options → Environment → Keymap tab.
However, if you want to recover from some bad settings and resetting it within the GUI does not help, you can delete this file and the GUI will re-create it with default values on its next startup.