Please click the 👇 link to open the release page.
https://github.com/ddPn08/flat/releases/latest
Download the software.
If you want to use the installer version, download flat-[version name].exe, and if you want to use the portable version, download flat-[version name].zip.
Since this is not a very popular software, you may get a warning from your browser saying "This is dangerous! There is no particularly dangerous implementation, so if you trust it, please proceed.
Run the downloaded `flat-[version name].exe'. Windows may also display a warning at this point.
Extract the downloaded flat-[version name].zip.
Run flat.exe in the extracted folder.