Installing FFXIV launcher fails

Question

Why Does the FFXIV Launcher Installation Fail?
Corrupted Installer Files
Sometimes, the downloaded setup file is incomplete or corrupted, preventing proper installation.

Firewall or Antivirus Blocking Access
Your security software may falsely flag the launcher or block essential connections during the installation.

Missing Dependencies
The launcher relies on Microsoft Visual C++ Redistributables and .NET Framework. Missing or outdated versions can cause errors.

Compatibility Issues on Windows 11
Some players on Windows 11 report installation failures due to compatibility problems with system updates or missing DirectX files.

Insufficient Admin Permissions
Installing the launcher without administrative rights can block the creation of necessary files or folders.

How to Fix FFXIV Launcher Installation Issues
Redownload the Official Setup File
Always download the launcher from the official Square Enix website. Avoid third-party mirrors to reduce the risk of broken or infected files.

Run the Installer as Administrator
Right-click the setup file and select "Run as Administrator" to avoid permission errors during the installation process.

Disable Antivirus/Firewall Temporarily
Temporarily disable antivirus or firewall software during installation, especially if you're getting security or connection-related errors.