On Windows, use the Character Map or press and hold the letter key if supported
On Mac, press and hold the letter key to see accent options
On iPhone or iPad, press and hold the letter key and choose the accented version
On Android, press and hold the letter key and select the accent from the popup
In Microsoft Word, use Insert > Symbol or type a shortcut like Ctrl + ‘ then the letter
On Windows with Alt codes, hold Alt and type the numeric code on the keypad
Use Unicode input methods if your device or app supports them
Copy and paste the accented letter from a character table or website