Have you clicked onto “purchase” after you have filled out everything. → after that you should get a download link to the launcher. Btw, as it is week-end it could take a while till you get an official answer from epic games 
Have you clicked onto “purchase” after you have filled out everything. → after that you should get a download link to the launcher. Btw, as it is week-end it could take a while till you get an official answer from epic games