Windows: press and hold Alt, then type 0192 on the numeric keypad for À
Windows: press and hold Alt, then type 0200 on the numeric keypad for È
Windows: press and hold Alt, then type 0204 on the numeric keypad for Ì
Windows: press and hold Alt, then type 0210 on the numeric keypad for Ò
Windows: press and hold Alt, then type 0217 on the numeric keypad for Ù
Mac: press Option + `, then press I for ì
Mac: press Option + `, then press Shift + I for Ì
Mac: use the Character Viewer to insert accented I variants
iPhone or iPad: press and hold I, then choose the accented version
Android: press and hold I, then choose the accented version
In Microsoft Word: type Ctrl + ‘ then I for í
In Microsoft Word: type Ctrl + ` then I for ì
In HTML: use Ì for Ì
In HTML: use Í for Í
In Unicode: use U+00CC for Ì
In Unicode: use U+00CD for Í