Question: How can i install wine mono and gecko? I have downloaded the .msi file suitable for installed wine version.
Please help me. Where shoul i place these .msi files?

Answer: 
From <https://www.winehq.org/pipermail/wine-users/2005-December/020055.html>

```
wine msiexec /i <path to msi>

```
You can copy `wine-mono` in `/usr/share/wine/mon/`. I already did it and it's the location where wine is looking for it according to this [webpage](https://wiki.winehq.org/Mono).

The same for `wine_gecko` msi placed in`/usr/share/wine/gecko`.