GNS3 supports multiple styles and designs which you can use the change the GNS3 look and feel. You can change change styles, add your own icons and change other GNS3 preferences.
NOTEThis document assumes that you already have GNS3 installed.
The default GNS3 style depends on the operating system you use.
The following figure shows the default Classic style used by GNS3 on Windows:
To change the GNS3 style, on Windows click Edit and then Preferences:
Styles are shown under the General options
Three styles are available:
Change the style to your selection (In this case Charcoal is selected):
Click OK to save your changes:
Result: The GNS3 style is changed:
This is what GNS3 looks like using the Legacy Style:
Congratulations! You have changed the look and feel of GNS3 using GNS3 styles.