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You use the 'Preferences' tab to customise MultiBit Classic to your personal preferences. Change a setting on the tab and then press the 'Apply Changes' button.

You can change the following:

Transaction fee

You can adjust the transaction fee that is added to your transactions using the fee slider.

A higher fee makes it more likely that your transaction will get confirmed in an earlier block.

Adjust the slider using your mouse or use the left and right arrows for fine adjustment.

Display language

There are many languages available in MultiBit Classic. You can choose the 'Use default locale for user' and it will use your computer's locale. If you choose 'Use specific language' you can then choose the language you want MultiBit Classic to appear in.

MultiBit is localised by its users. If your native language is not fully localised and you want to help, visit

If you choose a language that you cannot understand, you can undo the change by clicking on the 'Undo last font or language change' button.


You can change the font that MultiBit Classic is displayed in and its point size. Click on the 'Choose display font' and select the font you want.

If you choose a font that does not display correctly, you can undo the change by clicking on the 'Undo last font or language change'.

You can choose the overall look of MultiBit Classic by selecting one of the 'Look and feel' options. See which you prefer.

Currency ticker and exchange rate

There is a separate help topic explaining the currency ticker and exchange rate functionality.

Browser integration

When you click on a Bitcoin link on a webpage, MultiBit Classic opens and can process the information and fill out the Send form, if you want it to. Choose between the options:

  • 'Ignore all browser requests'.

    No Bitcoin links will be processed. You will see a status message in the status bar that requests are being ignored when a Bitcoin link is clicked.

  • 'Fill out the send form automatically'.

    When you click on a Bitcoin link the Send form will be filled out automatically for you.

  • 'Ask me every time'.

    A dialog box will appear asking you if you would like the Send form filled out every time you click on a Bitcoin link.