how can i get an east african tourist visa

How to get an East African tourist visa on arrival in Uganda: Applying for an Uganda visa is complex, but an East African tourist visa can be obtained on arrival at Entebbe International Airport and other border points in Uganda. All tourists can now acquire a Ugandan visa or East African tourist visa on arrival.
Tourists can fly to all East African countries using one visa called the "East African tourist visit visa," where you can travel in more than one country that belongs to the East African community for 90 days using an East African tourist visa. East African visas are available upon arrival at Entebbe International Airport or at all Ugandan border crossing points.
East African tourist visas cost $100 per person on arrival for those traveling to Uganda, Rwanda, and Kenya. It’s now possible for travelers to make multiple entries into the East African region for up to 90 days, and travelers must have a valid passport for at least 6 months before the expiration date.
East African Visa can be applied online via a portal like in Uganda you can use visas.immigration.go.ug, immediately you will receive a confirmation email, you can print a copy which you will present upon arrival at the immigration office.