The repack will ask you to select your language (usually English or Russian) and your installation directory. Do NOT install this over an existing legitimate copy of Warcraft III. The repack modifies registry keys and local files. Install it to a separate folder like C:\Games\W3Reforged_2018 .
Patch v2.0.1 (build 22498 equivalent) is now live via Battle.net warcraft iii reforged v20122498repack