Using an older version of { -brand-product-name } can corrupt bookmarks and browsing history already saved to an existing { -brand-product-name } profile. To protect your information, create a new profile for this installation of { -brand-short-name }. You can always sign in with a { -fxaccount-brand-name } to sync your bookmarks and browsing history between profiles.
Wužiwanje staršeje wersije { -brand-product-name } móže zapołožki a přehladowansku historiju wobškodźić, kotrež su so hižo w eksistowacym profilu { -brand-product-name } składowali. Zo byšće swoje informacije škitał, załožće nowy profil za tutu instalaciju { -brand-short-name }. Móžeće so přeco z { -fxaccount-brand-name } přizjewić, zo byšće swoje zapołožki a přehladowansku historiju mjez profilemi synchronizował.