No Installation Required
Innoextract does not need to be installed on the system, making it portable and easy to use without administrative privileges.
Supports Many Versions
It supports a wide range of Inno Setup versions, allowing users to extract files from a variety of installers.
Lightweight
The tool is lightweight and consumes minimal system resources, making it suitable for systems with limited resources.
Open Source
Innoextract is open-source software, allowing users to inspect the code, contribute to its development, or modify it for their needs.
As mentioned elsewhere in the thread, you can download the Windows offline installer from GOG, then use innoextract to extract the desired files: https://constexpr.org/innoextract/ A Mac GUI version of innoextract can be found here: https://macsourceports.com/utilities Aside from Doom engine games, this also works for Build engine (Duke Nukem 3D), idTech games, and countless others. Very useful tool for being able... - Source: Hacker News / almost 2 years ago
GOG's installers are made with InnoSetup, you can use a tool like InnoExtract to get the files out of them (source at https://constexpr.org/innoextract/ or in MacPorts/Homebrew). - Source: Hacker News / almost 2 years ago
Use innoextract to unpack it; you can easily install innoextract from Homebrew. Source: almost 2 years ago
Download innoextract, https://constexpr.org/innoextract/ (Use for extracting the lenovo BIOS setup file). Source: about 2 years ago
Mostly, depends. Some games require some registry entries and might error without them. I recommend not launching the installer at all and instead extracting the files from inside with innoextract. Source: almost 3 years ago
You don't need to run the installers through wine. You can just use innoextract. Source: about 3 years ago
If you don't have Windows, you can apparently use innoextract to get the contents out, and you should be able to run that more portably. Source: about 3 years ago
Don't run the setup file. Instead, use InnoExtract to extract the files by dropping the setup file over innoextract.exe. Source: over 3 years ago
Download innoextract. Extract the zip file to the same folder as the game installer. Source: over 3 years ago
If you have access to a Windows PC, this is probably the easiest way, but other options include using Wine to run the installer, or using InnoExtract to extract the needed files from the executable. Source: over 3 years ago
GOG offline installers do not expire. Also, if you need to extract individual files from them, make sure you use Inno Extract, which allows you to do that. Source: almost 4 years ago
Wine can run the installers. Alternately, you can just extract them with innoextract (useful in the cases where they're just DOS games packaged with a copy of Dosbox, or for other games that are similarly just packaged as a zipped-up directory). Source: about 4 years ago
To be more specific, when you install a game through steam which has EAC, as soon as you launch the game (after it finished to install), the EAC setup will start, asking you to install it in order to play the game "requiring" it; on the contrary, GOG version silently install it without asking the user's permission, be it through galaxy install or offline installer. This is a VERY BIG PROBLEM, as EAC is a piece of... Source: about 4 years ago
1) Download and extract https://constexpr.org/innoextract/#download. Source: about 4 years ago
As an additional note: GOG installers, being Inno Setup packages, can be unpacked without installing them using Innoextract. It's available for many OSs, including macOS. Source: about 4 years ago
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