This is it 7 steps how to change the default Net Bean Look and Feel to Substance Look and Feel :

  1. Download the three .nbm files from NetBeans substance look and feel plugin
  2. Open NetBeans. Go to Tools -> Plugins -> Downloaded
  3. Check on Add Plugins and add the three downloaded .nbm files (You have to add them one by one)
  4. Make sure the three files are selected, click Install, and follow through
  5. Restart NetBeans
  6. Go to Tools -> Options -> Miscellaneous -> Look and Feel
  7. Choose your preferred Look and Feel and Restart NetBeans again

You can set it back to default by unchecked “Enable Substance Look and Feel Skinning Engine” then restart your NetBeans.

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