– If you have a legitimate 1.30 installation from 2019, you can continue using it offline, but no patches or online features.

If you are starting from a very old version (like 1.07), you must patch sequentially to 1.27b first before moving to 1.30, as version 1.28 introduced a new file structure. 3. Installation & Setup Install to a unique folder: Do not install into the default C:\Program Files (x86)\Warcraft III if you already have installed, as they will conflict. Firewall the executable:

In China (where Warcraft III is massive), competitive leagues still run tournaments on 1.27 and 1.30 specifically because Reforged introduces input lag.