Vista Upgrade Instant
: A security feature that prompts users for permission before making administrative changes, designed to prevent unauthorized malware installation.
: A revamped search feature allowing for near-instant file and program retrieval.
: Available in the Ultimate and Enterprise editions, this allows for full-disk encryption to protect data on lost or stolen hardware.
: A high-end visual style featuring translucent window borders, live thumbnails, and "Flip 3D" navigation.