More about gretl
You can get the 1.10.1 version of gretl 11.49 MB from this site. This program is shared by Allin Cottrell, Riccardo "Jack" Lucchetti completely free of charge. You can find it in the Education category, specifically Science, it supports .inp, .gdt formats. Versions 1.9 and 1.8 are still the most downloaded ones and can be run on Windows 7/8.1/10. Gretlw32.exe and gretl.exe are among the most popular installers that people use to download the software. The download link was scanned by a number of antivirus solutions and was proved to be clean.