Vegas 8 was built for 720p/1080i; modern versions handle high-bitrate footage with ease.
: If you've lost your serial number or authentication code and cannot find them, contact Sony's customer support. They can provide assistance, but be prepared to prove your purchase. sony vegas pro 8 serial number and authentication code
To fully activate the software, Sony implemented a two-step verification system: Vegas 8 was built for 720p/1080i; modern versions