[Wine] installation on another virtual disk -Myst IV

[isaric]

I want to install Myst IV (http://mystrevelation.fr.ubi.com/).
I can't install in c:/... not enough of place.

I have /home/isaric/Vidéos/Myst-IV on /dev/sda10 and i want to install game on.
C: / do not have enough place and with l' installation of the game, I am to oblige to follow Wizard  at :

Code:
/home/isaric/.wine/dosdevices/z:/home/isaric/Vidéos/Myst-IV


but permissions are asked. I do not wish to change the rights of the file.

How to do ?