Search for "Edit the system environment variables" in Windows.
Since the online installer is prone to connection errors, the most reliable method is to download the "standalone" archive directly and extract it.
For 32-bit Windows, choose .
Click > find Path in "System variables" > click Edit .
For 64-bit Windows, look for .
: Visit the MinGW-w64 Files page on SourceForge . Choose the Correct Build :
: Use a tool like 7-Zip to extract the mingw64 folder. Move this folder to a stable location, such as C:\mingw64 . Add to Path : mingw-w64-install cannot download repository.txt
If you are trying to install the MinGW-w64 compiler and encounter the error you are not alone. This is a common issue with the legacy MinGW-w64 Online Installer .