Opening Windows-related softwares on Mac

*.lnk files is nothing but link to *.exe files. Also you can check size of *.lnk file, it won't be more than 1 KB. Usually programs are more than 1 KB.

Now, about using Windows software on macOS. By default, it is impossible due to a lot of factors. I won't explain what factors, I guess it would be too complicated for you.

But there is a straightforward solution for you that will provide you possibility to run Windows programs on macOS — using a virtual machine, such as Parallels (the best compatibility with Windows), VirtualBox (free but geeky), VMWare (usually used by enterprises).

If you have any questions related to installing Windows on VM, google it first.

Any text editor will open a .lnk file. But it will do you no good since it only contains a link to a file on a Windows system.