An active Nintendo Switch Online membership is required to use this service.
Complete These Steps:
Start the NES – Nintendo Switch Online software, then select “Settings.”
Select from one of the following display modes:
4:3 – Gives you the original NES game look, with a slight horizontal stretch.
Pixel Perfect – Each pixel is a perfect square, so you see the games exactly as designed.
CRT Filter – Looks like an old TV, with scan lines and all.
3. To exit Settings, tap “B.”