Where
 

can I find Graal old Version? (2.02)
Because I'm lagging way to much on v4 to be able to play x.x

The old version will not do you much good. If it hasn't already been, it will be disabled soon.

Update your video card drivers. That should help your lag.

Update the graphics card driver, eventually disable some effects in the v4 options (that will e.g. disable lights in the kingdoms treasure maps). Also post your graal4console.log

Created DirectDraw object
Initialized Direct3D7
Initialized DirectDraw
Graphic Capabilities:
Drawing of alpha blended textures: true
Textures with non-power-of-2 size: true
3D Textures with non-power-of-2 size: false
2D during 3D scene: true
Use 32 bit alpha: true
Initialized Direct3D7
Graal has been activated!
Loading tile definitions for server Login
Connecting to the game server...
Done.
Loading tile definitions for server Unholy Nation
Connecting to the game server...
Done.
FMod Sounds: using default sound driver
PM: received from (npcserver):Unholy-NPCs (Server)
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And , where can I upgrade my card drivers?

Thanks a lot Vulcan.