The Warcraft III patch v1.20 has been released to address an issue that disabled Spirit Walkers from resurrecting other Spirit Walkers, as well as a few map changes. Simply connect to Battle.net to download and install the latest patch.
If you have The Frozen Throne expansion installed you only need to download and install The Frozen Throne patch. For the easiest patching process it is recommended that you connect to Battle.net. If you need to download the patch via internet browser, you can find international versions of patch 1.20 for both PC and Mac for Warcraft III Original and Frozen Throne. Read the Patch Notes below: