You can download Vista SP2 directly from Microsoft at its Web site (348MB) or it will be automatically delivered to your Vista system via Windows Update within a few weeks, according to Microsoft. You must have Vista SP1 installed on your system to install the SP2 Vista.
Additional Vista SP2 Updates
Besides Blu-ray and Bluetooth support, Vista SP2 also:
* Fixes Wi-Fi issues when Vista awakes from sleep mode.
* Improves performance of Vista desktop sidebar gadget, allowing for RSS feeds to perform better.
* Address overall Vista system performance issues. Microsoft says SP2 repairs nearly 700 nagging Vista bugs and security updates.
* Boosts power management efficiency by 10 percent.
* Gives your computer support for VIA Technologies’ new 64-bit CPU
* Lets your system support exFAT, which can handle larger files and can also use UTC timestamps so you can synchronize files across different time zones.