Installation of ERA II


For the installation it is required to have Heroes 3 installed on your computer, ideally the Complete version, highly recommended from the site GOG.COM, this version is DRM FREE and doesn´t require a CD to start up. After that installation is fairly simple, it requires to download the installation file, save to your computer and boot up.

ERA II v2.7.x


The installation file is downloaded on your desktop, double-click it to initiate the installation.


An important step is choosing the right destination folder where Heroes 3 Complete is installed. Click on the “Browse” button and click your way to the Heroes 3 Complete folder. I have my game installed directly on the C drive C:\GOG Games\HoMM 3 Complete. The installation takes up a minute, sometimes less.

Inštalačný program vytvorí odkazy na ploche.

After the installation is finished, two icons will appear on the desktop. ERA II launches the game and Era Start Menu, as the title suggests will open up a menu with various choices, including Mod Manager.

Era Start Menu

Start Menu includes different files, but if you´re solely interested in playing, the only important ones are Mods Manager and Maps Editor. The rest are mainly designated for the mod creators. We start up the Mods Manager.


Through Mods Manager you can manage all the modifications added to your game. You can simply turn them off (Disable), turn them on (Enable), delete, scroll up, or scroll down. After the clean installation ERA II will include 4 modifications Secondary Skills Scrolling, Fast Battle Animation (personally I turn this modification off, because units tend to move way too fast and I lose track of what´s happening on the battlefield), Quick Savings, Yona and In The Wake of Gods. Information about the modifications appear in the bottom right corner of the window. You´ll launch the game through the ERA II icon on your desktop.


You can download new modifications in the download section, if you can´t solve the installation problems, the ERA II – Installation of modifications site might be useful.


And this is how Mod Manager looks like with several modifications, like for example Upgrade ALL, WoG Revised and XXL map patch. Be careful, as some cheap antivirus software might recognise the modsman.exe file as corrupted by a virus, of course this is a false report.

Translated by Adam Kučera

6 Komentáre

  1. Chavdar

    I have HMM3 Gold edition. Installed on Win10
    Installed Era 2.75
    Attempt to start gives:
    „Failed to load and compile LUA script
    Cannot open Data\scripts\_core_sys.lua: NO such file or directory“

    The file exists and is in C:\Games\Heroes3\Mods\WoG\Data\Scripts

    Any hint?

    1. Liso1Liso1

      Hi Chavdar, are you usin HD mod to run ERA? If yes, you need to set up the compatibility of the file h3era.exe to Windows 8 and everything will function as supposed.

    2. roxor

      Obsahuje virus zpevdo.B ma vsade hodnotenie ako miner a password hijacker. verzia 2.7.5 ostane neviem

      1. Liso1Liso1

        Nazdar, to je falošný poplach, niektoré antivirusy ju tak bohužiaľ označia (ako napr. avast).
        Buhužiaľ s ERA 2 sa takýto problém ťahá už od začiatku, ja mám ESET Endpoint Security a nikdy mi nič nenahlásil.

        Kľudne si môžeš súbory skontrolovať aj cez stránku

  2. Chavdar

    10x it works now 🙂
    Any hint for Succession wars? I extract files into c:\games\heroes3, start heroes3.exe – but no new campaign is visible

    1. Liso1Liso1

      🙂 you are welcome.

      Try this Succession Wars instalation instructions:
      In order for this mod to work you need the latest version of ERA 2
      First install ERA over CLEAN SoD or Heroes Complete.
      In your CLEAN SoD ( Shadow of Death ) or Heroes Complete folder, place the zipped file in the \mods folder, unzip, and it should extract a folder called ‚1 H2 Succession Wars‘. ( Do not rename the file. )
      Once that’s done, in the tools folder created by ERA open Mod Manager folder and run ‚modsmann‘ to enable the mod. You must disable all other mods apart from wog which should be placed below 1 H2 Succession Wars Mod. The screen should look like this.
      Run h3era.exe go to ‚New Game‘ and press the ‚Options‘ button. Move to the bottom where it says ‚Custom Scripts‘ where you can see options made specifically for this mod. Make sure that the option ‚Necessary Succession Wars Mod Script‚ is checked. The other options in Custom Scripts are for your liking.

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