Your friend is sending you a file with Firefox Send, a service that allows you to share files with a safe, private, and encrypted link that automatically expires to ensure your stuff does not remain online forever.
Waš přećel wam dataju z Firefox Send sćele, słužba, kotraž wam zmóžnja, dataje přez wěsty, priwatny a zaklučowany wotkaz dźělić, kotryž awtomatisce spadnje, zo njebychu waše daty na přeco online wostawali.