Before diving into links, let’s clarify what you are trying to access. TV3 Latvia is a nationwide commercial television channel owned by All Media Latvia (part of the Providence Equity Partners group). It competes directly with LTV1, LTV7, and TV3's sister channels (TV3 Life, TV3 Mini, TV6).
While the service is free, it is officially licensed for viewing within Latvia. If you try to click the link from the UK, USA, or elsewhere in Europe, you might encounter an error message stating that the content is unavailable in your region. tv3 latvia live streaming link