The Lato font fam­ily is avail­able as a free down­load under the SIL Open Font License 1.1 (https://scripts.sil.org/cms/scripts/page.php?site_id=nrsi&id=OFL).
The fonts can be used with­out any lim­i­ta­tions for com­mer­cial and non-​​commercial pur­poses.
They can be also freely mod­i­fied if the terms of the license are observed.