Update the README

Author: 2-towns

README.md

@@ -2,7 +2,7 @@
 
 This repository demonstrates how to integrate the [Codex Go bindings](https://github.com/codex-storage/codex-go-bindings) into a Go project.
 
-The project starts a Codex node, uploads and downloads some data, and can be stopped with `Ctrl+C`.
+The project starts a Codex node, uploads and downloads some data and then stops the node.
 
 ## Usage
 
@@ -19,13 +19,19 @@ make fetch
 ```
 
 The default `OS` is `linux` and the default `ARCH` is `amd64`.
-You can update them like this:
+You can provide them as environment variables:
 
 ```sh
 OS="macos" ARCH="arm64" make fetch
 ```
 
-By default, the last release will be downloaded and extracted to libs folder.
+You can change the version by providing it as environment variables:
+
+```sh
+VERSION="v0.0.21" make fetch
+```
+
+The default folder is `libs`, you can change it by editing the `Makefile`.
 
 ### Build
 
@@ -36,5 +42,15 @@ make build
 ### Run
 
 ```sh
-./example
+make run
+```
+
+### Windows
+
+To run on Windows, you need to include the `libs` folder (or your custom folder if you changed it) into the path: 
+
+
+```powershell
+$env:PATH = "$PWD\libs;" + $env:PATH
+.\example.exe
 ```