I am a citizen of Iran. I like to participate in some UK startup programs like this https://www.joinef.com. It's a 4 months program, that individuals can participate and find a co-founder to establish a new startup/company. So I think I must get a visitor visa(tourist visa), then change it to entrepreneur or startup visa.
If I am right, please let me know, can I change my tourist visa to entrepreneur visa or startup visa or any other work visa in England or I must come back to Iran and apply for new visa again?!
Thank you very much in advanced!