1. The initial or original form of something, such as a document, software, or artistic work, before any revisions or updates
The first version of the software had several bugs that were fixed in later releases.
A primeira versão do software tinha vários erros que foram corrigidos em versões posteriores.
2. An account or description of an event as told by someone, typically the earliest account
According to the first version of events, the accident happened at noon.
De acordo com a primeira versão dos acontecimentos, o acidente aconteceu ao meio-dia.