Spell checking is part of the browser and has to be activated
IATF CARA does not implement sell checking because this functionality is part of all modern browsers and has to be only activated.
Chrome
Open Settings->Advanced->Languages or chrome://settings/languages
Set spell checking as required
Edge
Open Settings->Languages or edge://settings/languages
Set spell checking as required
Firefox
Open Settings->General->Scroll To Language and Appearance
Activate check spelling as you type
