If you see “(32-bit)” and are running { -brand-name-firefox } 56.0.1 or newer, then your computer may not meet the minimum memory requirement for 64-bit (3 GB RAM or more). You can still manually install 64-bit { -brand-name-firefox }, if you choose.
Si tu vide “(32-bit)” e le version de { -brand-name-firefox }  es 56.0.1 o plus recente, alora es possibile que tu computator non satisface le requisitos de memoria pro 64-bit (3 GB de RAM o plus). Totevia, tu pote installar manualmente le version 64-bit de { -brand-name-firefox }, si tu prefere.