Clarify building from source on Windows

mislav · web-flow · commit 5e9777597825 · 2021-01-06T18:08:02.000+01:00
Address cli#2545 (comment)
diff --git a/docs/source.md b/docs/source.md
@@ -17,16 +17,23 @@
 
 2. Build and install
 
+   #### Unix-like systems
    ```sh
    # installs to '/usr/local' by default; sudo may be required
    $ make install
+   
+   # install to a different location
+   $ make install prefix=/path/to/gh
    ```
 
-   To install to a different location:
+   #### Windows 
    ```sh
-   $ make install prefix=/path/to/gh
+   # build the binary
+   > go build -o gh.exe ./cmd/gh
    ```
-
-   Make sure that the `${prefix}/bin` directory is in your PATH.
+   There is no install step available on Windows.
 
 3. Run `gh version` to check if it worked.
+
+   #### Windows
+   Run `.\gh version` to check if it worked.
