Before you upgrade to Windows 8, you need to upgrade some drivers or BIOS programs to prevent incompatibility issues that may cause system errors during the upgrade process.

　1. If you install a new Windows 8 system, you only need to update the BIOS program and upgrade through Acer Download the assistant or download the BIOS program update from the Acer official website.

2. If you are upgrading to install Windows 8 system, in addition to updating the BIOS program, some models also need to update the VGA, AHCI and wireless network card drivers.