openmw.org

Please open the launcher, go to data files tab and uncheck all the .esm file except Morrowind.esm. We do not support loading multiple esm files yet, and Morrowind.esm is the one that's required.

ok now it runs, thankyou
but i encounterd, that i cant do anythink. I just started hanging in the air and when i press w i fly forward
and is there a chance to change the keys? i used to take the space for jump

By default physics (and gravity) are off. You can enable them by entering tcl into the console (make sure you have solid ground below you first).

Key re-mapping is implemented in 0.18.0.

tcl does not work
which console do you mean? swich off game and use the shell?

Call F2. It´s open the console.

already found that out...
So i recognized is there a way to fight? and why do i have about 10fps even with a graphics cards that was able to play skyrim

So i recognized is there a way to fight?

No combat yet.

and why do i have about 10fps even with a graphics cards that was able to play skyrim

Using open source drivers for your graphics hardware? These usually don't give good performance.