First step you must visit this link : evisa.gov.tr
1 : Click on Apply now
2: in second step "choose you country" and " type of your "travel document"
3: in this step you can see the duration and price of your evisa
4: in this step insert the necessary information (name, surname , passport number ...)
after that, you must pay the invoice , by (Visa , Master , Union pay and....)
when you complete the payment , your visa will be ready to download.