No mod folder?

I've tried to search for a solution online and looked everywhere in my files for a mod folder after downloading smapi, but there doesn't seem to be one... Please help! All I find in my Stardew Valley folder is another folder named Content and then a bunch of other stuff...

https://preview.redd.it/3wto9chx5ake1.png?width=1202&format=png&auto=webp&s=2dcd7da43340f29725e2c584edca19b5177cc101

https://preview.redd.it/1335q3hx5ake1.png?width=1209&format=png&auto=webp&s=4955e7ce3fc1e10427613ef0ebe007a997ea521e