Problem installing Improved Anvil v6.5 Options

[Yanosh]

I am new to modding Baldur's Gate 2 so I'm not sure if I am doing everything OK, but I had some trouble trying to install Improved Anvil v6.5 today.

I first tried version linked here in the following thread http://forums.blackwyrmlair.net/index.php?showtopic=5326
However that one didn't have any executable files, so after digging a bit through forum, I found the link to github https://github.com/critto-bg/ImprovedAnvil
This version had both ImprovedAnvil folder and Setup-ImprovedAnvil.exe executable.

But now I have the following problem:

CODE

[*****\Baldur's Gate II Enhanced Edition\Setup-ImprovedAnvil.exe] WeiDU version 24600

Choose your language:
0 [English]
1 [Chinese]
0
Using Language [English]

Using .\lang\en_us\dialog.tlk

Would you like to display the readme? [Y]es [N]o
y

SKIPPING: [Improved Anvil]
        The mod requires the game to be patched to v2.0 or higher

Press ENTER to exit.

Not sure why am I getting this message. I have a fresh install of BG2:EE, and I have chosen beta 2.5 as game version.
Can anyone help me? I would really like to try out this mod.