How I can increase tab width in notepad++ (v6.5)?

indentation, notepad++

Solution

In version 7.2.2, the Tab Settings are under:

Settings > Preferences > Language > Tab Settings

Problem

This is example of two 4-space indentations https://i.stack.imgur.com/oG9CK.png But indentation from notepad++ narrower with same number of spaces How I can change it?

Original source