Jetbrains Rider is free for students - it is the preferred "heavy" IDE for F# and C# projects. You can sign up for an academic license at https://account.jetbrains.com/login.

Setup

Rider documentation for F# interactive

Make sure to configure a shortcut to send selected code to F# interactive, to do this:

• Open settings menu (default: Ctrl+Alt+S)
• Go to Keymap on the left
• Find "Send to F# interactive"