Update install instructions

INSTALL.md

@@ -214,35 +214,32 @@ SuperTuxKart can now be run as `bin\Debug\supertuxkart.exe` or `bin\Release\supe
 NOTE: the `stk-code` and `stk-assets` directories **must** be in the same directory, `stk-assets` is not needed if you download the full source tarball `(SuperTuxKart-version-src.tar.xz)`. Also make sure they lie within the C drive.
 4. Download the Windows dependencies package from [SuperTuxKart on GitHub - Dependencies latest preview release](https://github.com/supertuxkart/dependencies/releases/tag/preview)
 and unpack the archive into the `stk-code` directory. Download `i686` if you compile for Intel / AMD 32-bit, `x86_64` for Intel / AMD 64-bit, `armv7` for ARM 32-bit and `aarch64` for ARM 64-bit version of Windows.
-6. Download CMake from here: [CMake - download page](https://cmake.org/download/), install it; once CMake is installed, double click on the CMake icon on your desktop, and point it towards your `stk-code` directory in the 'Where is the source code' field, and point 'Where to build the binaries' to a new directory called `build` inside the stk-code directory.
-7. Press the `Add Entry` button and add the values below:
+5. Download CMake from here: [CMake - download page](https://cmake.org/download/), install it; once CMake is installed, double click on the CMake icon on your desktop, and point it towards your `stk-code` directory in the 'Where is the source code' field, and point 'Where to build the binaries' to a new directory called `build` inside the stk-code directory.
+### For cmake-gui
+6. Press the `Add Entry` button and add the values below:
 * Name: `LLVM_ARCH` Type: `STRING`  Value: `i686`, `x86_64`, `armv7` or `aarch64`
 * Name: `LLVM_PREFIX` Type: `STRING`  Value: `C:/llvm-mingw`
 * Name: `CMAKE_MAKE_PROGRAM` Type: `STRING` Value: `C:/llvm-mingw/ninja.exe`
 * Name: `USE_WIIUSE` Type: `BOOL`  Value: `Empty (unchecked)`
-8. Press 'Configure'; CMake will ask you if it is OK to create the aforementioned directory, press `Yes`. Choose `Ninja` from `Specify the generator for this project`, choose `Specify toolchain file for cross-compiling` then press `Next`. Specify the toolchain file which is located in `stk-code\cmake\Toolchain-llvm-mingw.cmake` and press `Finish`. If no error appears then press 'Generate'
-9. Once inside the build directory using command line `cmd.exe` or PowerShell:
+7. Press 'Configure'; CMake will ask you if it is OK to create the aforementioned directory, press `Yes`. Choose `Ninja` from `Specify the generator for this project`, choose `Specify toolchain file for cross-compiling` then press `Next`. Specify the toolchain file which is located in `stk-code\cmake\Toolchain-llvm-mingw.cmake` and press `Finish`. If no error appears then press 'Generate'
+8. Once inside the build directory, run the build command using command line `cmd.exe` or PowerShell:
     ```cmd
     C:\llvm-mingw\ninja.exe
     ```
+SuperTuxKart can now be run as `bin\supertuxkart.exe`.
 
-### Building SuperTuxKart on Windows using LLVM MinGW (from PowerShell/Command line)
-
-Do the above steps 1 to 6 to setup the required dependencies.
-
-7. Once inside the build directory; run CMake to start the compilation process:
+### For PowerShell/Command Prompt
+6. Once inside the build directory, run the cmake command using command line `cmd.exe` or PowerShell:
 
     ```cmd
     cmake .. -G Ninja -DLLVM_ARCH="x86_64" -DLLVM_PREFIX=C:\llvm-mingw -DCMAKE_MAKE_PROGRAM=C:\llvm-mingw\ninja.exe -DUSE_WIIUSE=OFF -DCMAKE_TOOLCHAIN_FILE="../cmake/Toolchain-llvm-mingw.cmake"
     ```
-
-2. Now that CMake finished configuring and creating the necessary files for the build, run the build command in the same directory:
+7. Run the build command in the same directory:
 
     ```cmd
     C:\llvm-mingw\ninja.exe
     ```
 
-
 SuperTuxKart can now be run as `bin\supertuxkart.exe`.
 
 ## Building SuperTuxKart on macOS