You can watch Dumb and Dumber by renting or buying it on several digital platforms including Amazon Video, Apple TV, Fandango At Home, Microsoft Store, Plex, Google TV, and YouTube

. Additionally, it is available for streaming on Netflix in some regions, such as Portugal

. In the UK, it is also available to stream on Sky Go and Now TV Cinema

. Rental prices are typically around $3.99, and purchase prices range from about $12.99 to $14.99, with HD quality options available

. So depending on your location, you can either stream it via subscription services like Netflix or Sky Go, or rent/buy it digitally from major online stores.