Yahoo mail website version
You're looking for the desktop version of Yahoo Mail!
Here's the link to access the Yahoo Mail website version:
When you visit this page, you'll be taken to the classic Yahoo Mail interface, which is designed for desktop use. You can log in with your Yahoo account credentials to access your email inbox.
Note that Yahoo Mail also has a mobile app available for download on both iOS and Android devices, which provides a more streamlined and optimized experience for mobile users.