On Windows, press Win + Ctrl + O
On Windows, open Settings
Go to Accessibility
Select Keyboard
Turn on On-Screen Keyboard
On macOS, open System Settings
Go to Accessibility
Select Keyboard
Turn on Accessibility Keyboard
On Android, open Settings
Go to System or General Management
Select Language and input
Turn on On-screen keyboard
On iPhone or iPad, open Settings
Go to Accessibility
Select Keyboards
Turn on Full Keyboard Access if needed