Version 2.7 is ready for download

WordPress Version 2.7 is released and ready to be downloaded. Read the Version 2.7 “Coltrane” Development Blog for details.

Download WordPress 2.7 at:
http://wordpress.org/download/ or at http://wordpress.org/download/release-archive/

Remember to deactivate ALL plugins before doing the upgrade.

Upgrading WordPress or Upgrading WordPress Extended explain the upgrade process.

Check for Plugin Compatibility and Theme Compatibility

Also read Migrating Plugins and Themes to 2.7 and
Version 2.7 details

Important Note: Even though you may have heard about the 2.7 automatic upgrade, that automatic upgrade will only work once 2.7 is installed and a later version, such as 2.7.1 is released.