Getting started
Install launcher
Download the latest CSS Launcher setup file, run the installer, allow required dependencies, and open CSS Launcher from the Desktop or Start Menu shortcut.
Download the latest CSS Launcher setup file from css.aero, run the installer, allow required dependencies, and keep the default folder unless you need a custom location.
Install CSS Launcher
Download the latest CSS Launcher setup file, run the installer, allow required dependencies, and open CSS Launcher from the Desktop or Start Menu shortcut.
Default install folder
The default location from the manual is C:\CSS Software\CSS Launcher. Keep it unless your Windows setup requires a custom folder.
Need to repair or remove it?
Run the installer again and choose Repair or Remove. Repair returns CSS Launcher and its files to the default state. Remove uninstalls the launcher and its files.
Related articles
Continue through the launcher workflow or jump to the next support step.
Need support?
Collect the article context and logs first, then open support.
Source: CSS Launcher User Manual, Rev. 5 — December 2025.