diff --git a/CMakeLists.txt b/CMakeLists.txt
index bae866c..0e08615 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -320,6 +320,9 @@ target_compile_definitions(${PROJECT_NAME} PRIVATE ${DEFINES})
 target_include_directories(${PROJECT_NAME} PRIVATE src ${PIXMAN_INCLUDE_DIRS} ${SIGC2_INCLUDE_DIRS} ${RUBY_INCLUDE_DIRS})
 target_link_libraries(${PROJECT_NAME} PRIVATE SDL3::SDL3 SDL3_image::SDL3_image SDL3_sound::SDL3_sound SDL3_ttf::SDL3_ttf Boost::boost OpenAL::OpenAL physfs ${PIXMAN_LIBRARIES} ${SIGC2_INCLUDE_DIRS} ${PLATFORM_LIBRARIES} ${RUBY_LIBRARIES})
 
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O3 -ffast-math")
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O3 -ffast-math")
+
 IF(APPLE)
 	add_custom_command(TARGET ${PROJECT_NAME} POST_BUILD COMMAND cmake -P "${CMAKE_SOURCE_DIR}/patches/mac/CompleteBundle.cmake" VERBATIM)
 ENDIF()
diff --git a/README.md b/README.md
index 80f7ca2..ba60dc3 100644
--- a/README.md
+++ b/README.md
@@ -4,3 +4,16 @@ This is a specialized fork of [mkxp-oneshot](https://github.com/elizagamedev/mkx
 
 # xScripts.rxdata
 ./rpgscript.rb scripts/ [GameDir]
+
+# Build
+1.Install required packages
+Cmake,C/C++ compiler,Ruby,Boost,SDL3,pixman,SDL3_image,SDL3_ttf,SDL3_sound,OpenAL,PhysFS,sigc++-2.0
+(Linux only!)GTK3,libxfconf,
+
+2.build
+
+In project dir make build dir.
+cmake -S . -B build
+cd build
+make -jn 
+n - count of threads for compilation
diff --git a/conanfile.py b/conanfile.py
deleted file mode 100644
index c23bd39..0000000
--- a/conanfile.py
+++ /dev/null
@@ -1,110 +0,0 @@
-import os.path
-
-from conans import CMake, ConanFile, tools
-
-
-class MkxpConan(ConanFile):
-    name = "oneshot"
-    version = "0.0.0"
-    license = "GPLv2"
-    url = "https://github.com/elizagamedev/mkxp-oneshot"
-    description = "OneShot game runtime"
-    settings = "os", "compiler", "build_type", "arch"
-    generators = "cmake"
-    exports_sources = "*"
-    requires = (
-        "boost/1.73.0",
-        "openal/1.18.2@bincrafters/stable",
-        "physfs/3.0.1@bincrafters/stable",
-        "pixman/0.34.0@bincrafters/stable",
-        "ruby/2.5.3@eliza/testing",
-        "sdl2/2.0.9@bincrafters/stable",
-        "sdl2_image/2.0.5@bincrafters/stable",
-        "sdl2_ttf/2.0.15@bincrafters/stable",
-        "sdl_sound-mkxp/1.0.1@eliza/stable",
-        "sigc++/2.10.0@bincrafters/stable",
-        # Overrides
-        "libpng/1.6.37",
-        "zlib/1.2.11",
-        "bzip2/1.0.8",
-    )
-    build_requires = ("ruby_installer/2.5.5@bincrafters/stable", )
-    options = {
-        "platform": ["standalone", "steam"],
-    }
-    default_options = (
-        "platform=standalone",
-        "boost:without_test=True",
-        "cygwin_installer:packages=xxd",
-        # Avoid dead url bitrot in cygwin_installer
-        "cygwin_installer:with_pear=False",
-    )
-
-    #def build_requirements(self):
-       # if tools.os_info.is_windows:
-            # self.build_requires("cygwin_installer/2.9.0@bincrafters/stable")
-
-    def requirements(self):
-        if self.options.platform == "steam":
-            self.requires("steamworks/1.42@eliza/stable")
-        if tools.os_info.is_linux:
-            # Overrides
-            self.requires("sqlite3/3.29.0")
-            self.requires("flac/1.3.3")
-            self.requires("ogg/1.3.4")
-            self.requires("vorbis/1.3.6")
-            self.requires("libalsa/1.1.9")
-
-    def configure(self):
-        if tools.os_info.is_windows:
-            # ???
-            self.options["openal"].shared = True
-            # Fix linker error in SDL_sound fork with SDL2
-            self.options["sdl2"].shared = True
-
-    def build_configure(self):
-        cmake = CMake(self, msbuild_verbosity='minimal')
-        if self.options.platform == "steam":
-            cmake.definitions["STEAM"] = "ON"
-        cmake.configure()
-        cmake.build()
-
-    def build(self):
-        #if tools.os_info.is_windows:
-        #    cygwin_bin = self.deps_env_info["cygwin_installer"].CYGWIN_BIN
-        #    with tools.environment_append({
-        #            "PATH": [cygwin_bin],
-        #            "CONAN_BASH_PATH":
-        #            os.path.join(cygwin_bin, "bash.exe")
-        #    }):
-        #        self.build_configure()
-        #else:
-        #    self.build_configure()
-        self.build_configure()
-
-    def package(self):
-        self.copy("*", dst="bin", src="bin")
-
-    def imports(self):
-        self.do_copy_deps(self.copy)
-
-    def deploy(self):
-        self.copy("*")
-        self.do_copy_deps(self.copy_deps)
-
-    def do_copy_deps(self, copy):
-        deps = set(self.deps_cpp_info.deps) - set(
-            ("cygwin_installer", "msys2_installer", "ruby_installer"))
-        for dep in deps:
-            copy("*.dll",
-                 dst="bin",
-                 src="bin",
-                 root_package=dep,
-                 keep_path=False)
-            copy("*.so*",
-                 dst="lib",
-                 src="lib",
-                 root_package=dep,
-                 keep_path=True)
-            if self.settings.build_type == "Debug":
-                copy("*.pdb", dst="bin", root_package=dep, keep_path=False)
\ No newline at end of file