1. A version of something that has not been changed, modified, or edited from its original state
The museum displayed the unaltered version of the painting from the 18th century.
O museu exibiu a versão inalterada do quadro do século XVIII.
2. An original or unchanged copy of a document, software, or media file
Please provide the unaltered version of the contract before signing.
Por favor, forneça a versão inalterada do contrato antes de assinar.