If you see “(32-bit)” and are running 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 Firefox, if you choose.
MA twalaḍ "(32-bit)" mi ara tesselkameḍ Firefox 56.0.1 neɣ umaynut, ihi aselkim-ik izmer ur yesɛi ara ayen adday n wayen i ilaqen n tkatut i 64-ibiten (3 GB n RAM neɣ ugar). Tzemreḍ ad tesbeddeḍ s ufus Firefox 64-ibiten Firefox, ma tebɣiḍ.