Created Updating Zoraxy (markdown)

Updating-Zoraxy.md

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+## Update Zoraxy 
+
+If you install Zoraxy natively on your host OS, here are the steps to update your Zoraxy to the latest version
+
+### Linux
+Download and overwrite the binary file with the following command
+```
+# Stop the service if running
+sudo systemctl stop zoraxy 
+
+# Navigate to the zoraxy installation path. If you build from source, it is usually under ~/zoraxy/src/
+cd ~/zoraxy/src
+mv ./zoraxy ./zoraxy.backup
+
+# Download the new zoraxy release. Change the filename to a suitable architecture based on your hardware.
+wget https://github.com/tobychui/zoraxy/releases/latest/download/zoraxy_linux_amd64
+mv ./zoraxy_linux_amd64 ./zoraxy
+chmod +x ./zoraxy
+
+# Restart the zoraxy service
+sudo systemctl start zoraxy
+```
+
+### Windows
+If you are running Zoraxy on Windows, you can easily download and overwrite the executable.
+
+1. Rename the current version of `zoraxy.exe` to `zoraxy_backup.exe`
+2. Download zoraxy from release page
+3. Move the newly downloaded `zoraxy_windows_amd64.exe` to the original instllation path
+4. Rename `zoraxy_windows_amd64.exe` to `zoraxy.exe`
+5. Start the bat file (if any) or double click the zoraxy exe file.
+
+## IMPORTANT NOTES
+- Note that each version might have some slight startup flag change. See change log and release notes for more information
+- Always backup your config before update. Some version might contain breaking change that will alter your config files