Use the:set tabstop=4 command line option Set the 'tabstop' variable in your.vimrc file Use the:set softtabstop=4 command line option Use the setlocal softtabstop commandThe first two methods work with Vim default settings, while the third method requires you to add a line to your.vimrc file. The fourth method uses Vim's local setting for 'softtabstop'.Here is an example of how to use each method: To use the:set tabstop=4 command line option, type: