Using Git Bash, clone the specific UE4 version tag:
git clone --branch 4.27.2-release --single-branch https://github.com/EpicGames/UnrealEngine.git
Warning: Sites offering a single "UE4 offline installer.exe" often contain outdated versions, missing assets, or malware. Always verify file hashes against Epic’s official checksums.
You still need the Epic Games Launcher installed on a temporary machine with internet access. Once you have that, follow these steps:
For users who cannot use the Launcher at all, you will need to access the source code or binary builds via GitHub. Note that this requires linking your GitHub account to your Epic Games account first.
Warning: This method requires Visual Studio and significant technical knowledge. It is not recommended for beginners.

