How do I upload a .swf file to my Wix site? (Old Editor)
You can add a .SWF file by using the Flash App which can be found in the Wix App Market.
To add a .SWF file: Click here > click Add App > click Select Site > click Add to site.
Click the app to select it > from the pop-up menu, click Change > click Upload Flash or select a previously uploaded file > click Choose Flash.