To install the latest firmware for the Aorus FO32U2P monitor on your Mac mini (macOS 15.x), follow these steps:

### 1. **Download firmware**
- Visit the official Gigabyte website.
- Navigate to **Support** > **Monitor** > **AORUS FO32U2P**.
- Search for the latest firmware version and download it.

### 2. **Extract firmware**
- The downloaded file is often a ZIP file. Extract it to a folder on your Mac.

### 3. prepare **USB stick**
- Format a USB stick with **FAT32**:
- Open **Disk Utility**.
- Select the USB stick and click on **Erase**.
- Select **MS-DOS (FAT)** as the format and click on **Delete**.
- Copy the unzipped firmware file to the USB stick.

### 4. **Update firmware**
- Connect the USB stick to the **service port** of the monitor.
- Switch on the monitor and open the **OSD menu**.
- Navigate to **System** > **Firmware Update**.
- Select the USB stick as the source and start the update process.
- Wait until the process is complete. The monitor may switch on and off several times during the update.

### 5. **Check**
- After the update, check the firmware version in the OSD menu to ensure that the update was successful.

### Important notes:
- **Power supply:** Ensure that the monitor is supplied with power during the update.
- **Do not interrupt:** Do not interrupt the update process to avoid damage.

If you need further assistance, please consult the monitor's user manual or contact Gigabyte support.