The field of Dreams is streaming on Amazon Prime and Peacock, but not globally.
Watch the Field of Dreams on Peacock
Click here Field of Dreams
If the movie is available in your region, you can watch it, but if it is not available in your regions, you can use VPN to change region and then watch the movie.
Also, I am giving here the link of the official website of the movie Field of Dreams
You can visit the website for more information and details