The most stable portable version is patch 1.26 or 1.27b. These patches:
You can find official patch archives on Blizzard’s legacy FTP (or trusted legacy patch repositories). Apply the patch inside your portable folder.
Modern laptops often lack optical drives. A portable version on a high-speed USB 3.2 drive allows you to pass the drive around a table, getting five friends into a custom Footmen Frenzy or Wintermaul game within two minutes. warcraft 3 frozen throne portable
Hero: Warden Maiev Shadowsong
Goal: Recapture the traitorous night elf Illidan Stormrage.
Illidan, freed from his 10,000-year prison, has fled across the sea. Maiev pursues him to the broken continent of Lordaeron. Illidan allies with the naga (sea serpents led by Lady Vashj) and awakens an ancient artifact to destroy the Lich King. Maiev fails to stop him but learns that Illidan now serves a new, unseen master—Kil’jaeden the Deceiver, a surviving demon lord. The most stable portable version is patch 1
Because you aren't writing to the registry, you must create a reg file to apply on the host PC temporarily. Create WC3_Resolution.reg:
Windows Registry Editor Version 5.00
[HKEY_CURRENT_USER\Software\Blizzard Entertainment\Warcraft III] "Video resheight"=dword:00000438 "Video reswidth"=dword:00000780You can find official patch archives on Blizzard’s
(0x438 = 1080, 0x780 = 1920). Run this on the host PC before playing.