Adding suggestions to update outdated package on WSL2 and how to inst…

…all Redis base on different distro's package manager

docs/environment-setup.md

@@ -34,9 +34,28 @@ There are two methods to install Redis on Windows. We strongly recommend the fir
 
 ##### Option 1: Using [WSL2 (Windows Subsystem Linux)](https://docs.microsoft.com/en-us/windows/wsl/about)
 
-1. Follow Microsoft WSL2 [installation guide](https://docs.microsoft.com/en-us/windows/wsl/install-win10) to complete the installation
-2. Depending on the distribution you chose for WSL2, install redis using that distro's package manager. For example, if using Ubuntu, run `sudo apt-get install redis`
-3. Suggest to install [Windows Terminal](https://docs.microsoft.com/en-us/windows/wsl/install-win10#install-windows-terminal-optional), it facilitates you to switch directories between WSL2 Ubuntu bash and Windows drive
+1. Follow Microsoft WSL2 [installation guide](https://docs.microsoft.com/en-us/windows/wsl/install-win10) to complete the installation. Suggest to run the following once in the WSL2 environment.
+
+```bash
+# fetch updated packages information
+sudo apt update
+
+# upgrade or install outdated packages
+sudo apt upgrade
+```
+
+1. Depending on the distribution you chose for WSL2, install redis using that distro's package manager. You can check your distro's package manager [here](https://www.tecmint.com/linux-distro-for-power-users/). The two most common package manager are APT and DNF
+
+```bash
+# for APT package manager
+sudo apt-get install redis
+
+#for DNF package manager
+sudo dnf install redis -y
+```
+
+2. Suggest to install [Windows Terminal](https://docs.microsoft.com/en-us/windows/wsl/install-win10#install-windows-terminal-optional), it facilitates you to switch directories between WSL2 Ubuntu bash and Windows drive
+3. Suggest to install [Node, nvm and npm for WSL2](https://docs.microsoft.com/en-us/windows/dev-environment/javascript/nodejs-on-wsl#install-nvm-nodejs-and-npm), so as to be able to use Node and npm in the subsystem
 
 ##### Option 2: Using [Chocolatey package manager](https://chocolatey.org/) to install Redis on Windows