Ensure that your documents are correct and complete before you commence your journey.
Please contact the EAU Registration Department if you require an invitation letter. Make sure you are registered for the event, before applying for an invitation letter of VISA. This is a requirement in order to receive the letter.
Check with your local embassy what sort of documents are necessary in your specific case, as this may differ between delegates from a same country.
Please see the image below with all the criteria. If you want to travel visa-free one of important criteria is that you need to fly directly to Minsk national airport. Not through Russia!
Please also watch the video: