utilises

/y.ti.liz/utiliser
1.
verbInd1stPresSing2

use

make use of

utilize

Pourquoi tu n'utilises plus ton vélo ?

Why don't you use your bike anymore?

2.
verbSub1stPresSing2

use (subjunctive mood)

Il faut que tu utilises ce logiciel pour le projet.

You need to use this software for the project.