Once your model page loads, scroll down and click on the dropdown tab to expand the list of available versions.

: Ensure your laptop is connected to the AC adapter and has at least 100% battery charge .

If you are not experiencing system instability, many users recommend skipping BIOS updates. For tailored advice, please share: What is your ? Are you facing specific stability issues ? What operating system are you running? Share public link

Never update your BIOS “just because.” If your system runs perfectly, leave it alone.

Once there:

Before proceeding, it is important to understand that a BIOS update is not a routine software patch. If the process is interrupted—due to a power loss or system crash—your laptop may become "bricked" or unbootable. Only perform this update if you are experiencing specific technical issues or if the update notes mention a critical security patch or performance fix. Pre-Update Checklist

Once you have downloaded the BIOS update file, follow these steps to update the BIOS on your Acer Nitro 5 AN515-43:

The computer will restart automatically. Do not touch the laptop until it restarts into Windows and shows a success message. What to Do If Things Go Wrong (Troubleshooting)

: Extract the downloaded .zip file and run the .exe application as an administrator. ⚠️ Critical Tips

: Ensure your AC adapter is connected; the update will not run on battery power.