Starting with weekly build 1.0.1.172, the Debug 4 mode is enabled by default. In previous versions, the Debug window is disabled by default. To enable the Debug window, do the following:
- Shut down Axxon PSIM.
Run the Advanced Tweaki.exe utility.
- Select Axxon PSIM section in the tree on the left side of the utility dialog box.
- Change the value of the Debug mode parameter from Disabled to Debug 1, Debug 2, Debug 3, or Debug 4. Any of these modes will enable the Debug window, the difference between them is in the amount of information written to the log files (see The Settings panel of the Axxon PSIM section).
- Click the OK button.
- Start Axxon PSIM.
A new Debug window item will appear on the Main control panel of Axxon PSIM.

- Select the Debug window item on the Main control panel in order to display the Debug window on the screen. The selected Debug window item is marked with a flag.

To hide the Debug window, re-select the Debug window item on the Main control panel.