Hi guys. I'm new o gamestudio and I have ridden a manual. There was a part about moving the object by WASD keys and rotating camera by WASD keys, but there was'nt any tutorial about camera move by WASD keys. Can anybody place example here for moving kamera by WASD keys? (W-forward, S-backward...)

Why don't you attach camera to entity and move/rotate it with WSAD keys?
Checkout workshops, they will teach you how to move entity, and how to attach camera.

I have tried it.
Look:
////////////////////////////////////////////////////////////////////
#include <acknex.h>
#include <default.c>
////////////////////////////////////////////////////////////////////
ENTITY* my_sky;

function bright_lights()
{
vec_add(my_sky.blue,vector(10, 10, 10));
}

function dim_lights()
{
vec_add(my_sky.blue,vector(-10, -10, -10));
}

function main()
{
on_1 = bright_lights;
on_2 = dim_lights;
level_load ("");
my_sky = ent_createlayer("blood_gorge+6.tga", SKY | CUBE | SHOW, 0);
while (1)
{
if (key_w) camera.x += 2;
if (key_s) camera.x -= 2;
if (key_a) camera.pan += 2 * time_step;
if (key_d) camera.pan -= 2 * time_step;
if (19 == key_lastpressed) // if the [R] key is pressed
{
camera.pan = 0; // restore the initial pan
camera.tilt = 0; // and tilt angles
vec_set(my_sky.blue,vector(128,128,128)); // set a medium sky brightness
}
wait (1);
}
}
But its not working and I don't know what to do.

You should learn how to use GS, what you mean by "it's not working". Does it crash or something like that?

BTW, you didn't try as I told you to do, move entity with "c_move" and attach camera to it, use small model for an entity.

I'll try and that's not crashing...