Can u just send a link to download

With the above information in-hand - follow this How to get old versions of macOS and verify what version this computer Qualifies to install.  For Best results use Safari to commence the download as Others may not work.

Safari will open a redirect and open the Apple Store where the download can commence.

macOS Mojave 10.14 hardware requirements

See: How to get old versions of macOS - Apple Support