Create installation_readme_update

installation_readme_update

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+ # **INSTALLATION PROCESS**
+
+## **_Getting Started_**
+
+### Recommended System Specs:
+
+2 or more CPU threads
+64-bit Linux(Ubuntu 16.04)
+4+ GB RAM
+20+ GB Storage
+
+## **Building for Linux from source**
+
+### Install Ubuntu/Debian dependencies
+
+```
+sudo apt-get update && sudo apt-get upgrade -y
+sudo apt-get install build-essential pkg-config libc6-dev m4 g++-multilib autoconf libtool ncurses-dev unzip git python python-zmq zlib1g-dev wget curl bsdmainutils automake
+```
+### **Install Fedora dependencies (if not using Ubuntu/Debian OS)**
+```
+sudo dnf install git pkgconfig automake autoconf ncurses-devel python python-zmq wget gtest-devel gcc gcc-c++ libtool curl patch
+```
+### **Build arrowd**
+
+```
+1. git clone https://github.com/Arrowchain/arrow.git arrow
+2. cd arrow
+3. ./zcutil/build.sh -j$(nproc)
+```
+
+### **Create config file**
+```
+1. mkdir ~/.arrow
+2. echo "rpcuser=username" >> ~/.arrow/arrow.conf
+3. echo "rpcpassword=`head -c 32 /dev/urandom | base64`" >> ~/.arrow/arrow.conf
+4. echo "rpcallowip=127.0.0.1" >> ~/.arrow/arrow.conf
+5. echo "addnode=110.185.105.21:7654" >> ~/.arrow/arrow.conf
+6. echo "addnode=18.204.209.173:7654" >> ~/.arrow/arrow.conf
+7. echo "addnode=195.10.210.35:7654" >> ~/.arrow/arrow.conf
+8. echo "addnode=80.11.223.136:7654" >> ~/.arrow/arrow.conf
+9. echo "addnode=52.90.76.26:7654" >> ~/.arrow/arrow.conf
+```
+
+### **Fetch params**
+
+```
+1. cd arrow
+2. ./zcutil/fetch-params.sh
+```
+
+### **Run arrowd**
+
+```
+./src/arrowd
+```
+
+## **Building for MacOS from source**
+
+### Install dependencies
+
+```
+1. #install xcode
+2. xcode-select --install
+3. 
+4. /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
+5. brew install cmake autoconf libtool automake coreutils pkgconfig gmp wget
+6. 
+7. brew install gcc5 --without-multilib
+
+```
+### **Build**
+
+```
+1. git clone https://github.com/Arrowchain/arrow.git arrow
+2. cd arrow
+3. ./zcutil/build.sh -j$(sysctl -n hw.ncpu)
+
+```
+## **Fetch params**
+
+``` 
+./zcutil/fetch-params.sh
+ ```
+
+### **Create config file**
+```
+1. mkdir ~/Library/Application Support/arrow/
+2. echo "rpcuser=username" >> ~/Library/Application Support/arrow/arrow.conf
+3. echo "rpcpassword=`head -c 32 /dev/urandom | base64`" >> ~/Library/Application Support/arrow/arrow.conf
+4. echo "rpcallowip=127.0.0.1" >> ~/Library/Application Support/arrow/arrow.conf
+5. echo "addnode=110.185.105.21:7654" >> ~/Library/Application Support/arrow/arrow.conf
+6. echo "addnode=18.204.209.173:7654" >> ~/Library/Application Support/arrow/arrow.conf
+7. echo "addnode=195.10.210.35:7654" >> ~/Library/Application Support/arrow/arrow.conf
+8. echo "addnode=80.11.223.136:7654" >> ~/Library/Application Support/arrow/arrow.conf
+9. echo "addnode=52.90.76.26:7654" >> ~/Library/Application Support/arrow/arrow.conf
+```
+### **Run arrowd**
+
+``` 
+./src/arrowd
+ ```
+
+@ArrowTeam