Updated README

Author: syedtaqi95

README.md

@@ -1,5 +1,33 @@
-# Custom OS
+# CustomOS
+
+Developing my own 32-bit x86 (IA32) based operating system written in C++.
+
+Used some of the code from the OSDev Wiki: https://wiki.osdev.org/
+
+## Installation
+
+### Dependencies
+
+#### Essential:
+
+- [make](https://www.gnu.org/software/make/)
+- Host OS: Linux. Development has been done on [Windows Subsytem for Linux](https://docs.microsoft.com/en-us/windows/wsl/install-win10) on Windows 10 (Ubuntu 20.04.2 LTS). Or you can develop on Ubuntu or another Debian based OS.
+- GCC cross compiler for ```i686-elf``` targets. Read [this tutorial](https://wiki.osdev.org/GCC_Cross-Compiler) for more info on how to do this.
+
+#### Optional:
+
+- Install [qemu](https://www.qemu.org/). Required for booting and testing the OS in a VM locally.
+
+
+## Compiling customOS
+
+Open a terminal and run:
+- ```make install```
+
+
+## Running customOS
+
+You can run customOS locally (requires ```qemu```).
+- ```make run```
 
-Developing my own operating system written in C++.
 
-Used some of the code from the OSDev Wiki: https://wiki.osdev.org/