VS2003 instructions: 1) Download: Visual Studio 2003: https://drive.google.com/file/d/19PsTGwXYTUiCSq8ilw7DBAyy8pfIhKfU/view

2) Extract    
3) Run to "Visual Studio 2003\Visual Studio .NET 2003Setup-NoPrereq.bat"

Build Source: 1) Open "Client\Client\proj\kop.sln" (Open in VS2003)

2) Set Release Configuration
3) Build Solution (shortcut: CTRL + Shift + B)

Setup Client: 1) Game Client Link: https://mega.nz/#!OupTjIYK!LUIRAJhhE1p_DOtY8cv37IdVXHmiBWW5swa2ysFzU2g

2) Extract
3) Copy "Game.exe" from "Client\Client\bin\system\" to "Corsairs Online - An Ocean Fantasy\system"
4) Copy "MindPower3D_D8R.dll" from "Client\engine\sdk\lib" to "Corsairs Online - An Ocean Fantasy\system"