Appium windows installation

Node Installation

Download node.js installer from here
Accept terms and conditions and proceed forward for installation.
On Custom Setup window, Select Add to PATH option and proceed Next.
Click Install option to proceed with installation.
Once Installation is finished, open command prompt and run node -v to check whether it node version installed is returned. e.g $ node -v
$ v12.2.0

Download Java 8 JDK from here
Accept license agreement and download jdk-8u201-windows-x64.exe from above link.
Install downloaded Java 8 JDK.
Configure environment variables:
System Properties -> Environment Variables -> System Variables -> New -> JAVA_HOME and Value as C:Program Files\Java\jdk1.8.0_201 (path where JDK is installed)
System Properties -> Environment Variables -> System Variables -> Select Path and Edit -> Add %JAVA_HOME%\bin
Once Environment variables are configured, open command prompt and run java -v and echo $JAVA_HOME to check whether java version installed is returned. e.g
$ java -version
$ java version "1.8.0_201"<br/> Java(TM) SE Runtime Environment (build 1.8.0_201-b13)<br/> Java HotSpot(TM) 64-Bit Server VM (build 25.101-b13, mixed mode)

Open commandprompt as admin and run npm install -g windows-build-tools (takes a while to complete)
Open command prompt or terminal and type npm install -g appium to install appium globally.
Wait for installation to be completed successfully
Check whether Appium is installed properly from command prompt through appium --version command.

Download Android Studio for windows from here
Proceed Next and install android studio
Open Android studio and create a new project
Once Project window is auto launched, click on Install missing platform and sync Project options from message:
Wait until gradle sync to be successful.
Download and Install HAXM for windows from here
Then Switch to Android Studio again and then Select AVD Manager icon in tool bar:
Start Android Emulator as shown below:

(DONT DELETE ANY EXISTING PATHS WHILE SETTING BELOW)

Copy the SDK path from Android Studio as shown below: File -> Project Structure
Goto Configure environment variables: System Properties -> Environment Variables -> System Variables -> New -> ANDROID_HOME and Value as C:Users\YourUser\AppData\Local\Android\SDK (path where SDK is installed)
Add the Android sdk paths into your existing PATH variable value as %ANDROID_HOME%\tools;%ANDROID_HOME%\platform-tools;%ANDROID_HOME%\build-tools

Install Appium Doctor through terminal like npm install -g appium-doctor
Once installation is successful, run appium-doctor --android to check health of android appium setup. If everything is GREEN then we are good to start.