1. begin operating or become available for use
the product is expected to go live early next month
To go live means for a system, campaign or project to become available to the public to use or for consumption. For example, ‘our website goes live at the end of the month’. In broadcasting or streaming, to ‘go live’ means to record something at the same time as an audience are watching. For example, we will go live on our Instagram page on Wednesday.