Visit our
Download page and click on the link for the version you want to update to. Save the file to your computer.
Close PT3 and all poker clients and then run the installer - install to the same place as your existing installation: do not uninstall first.
Please read the
PT3 Build History / Release Notes as there are some significant changes since v3.06.2 and your databases will need to be updated, then you'll need to run Database > Housekeeping so please schedule this when you have time to let it complete.