Clarify Windows executable build instructions

README.md

@@ -93,6 +93,10 @@ project is identifiable on the network.
 You need access to this private Gitea repository and an internet connection to
 download the build dependencies.
 
+These instructions build the application from source. No prebuilt Windows
+`.exe` has been provided for this modified version; cloning the repository
+does not download an executable.
+
 **Requirements**
 
 - **Linux:** Install Git and a C compiler/linker (`build-essential` on
@@ -109,7 +113,7 @@ Run these commands in a Linux terminal or Windows PowerShell. Authenticate
 with Gitea when prompted. The first build may take several minutes.
 
 ```sh
-git clone --branch develop https://git.bloggin.space/dumbgoy/soulseek-rs-modded.git
+git clone --branch main https://git.bloggin.space/dumbgoy/soulseek-rs-modded.git
 cd soulseek-rs-modded
 cargo build --release -p soulseek-rs
 ```
@@ -122,10 +126,17 @@ cargo build --release -p soulseek-rs
 
 **Run on Windows (PowerShell)**
 
+Run `cargo build --release -p soulseek-rs` **on Windows** first. After a
+successful build, Cargo creates `target\release\soulseek-rs.exe`. Launch that
+generated executable from the project directory:
+
 ```powershell
 .\target\release\soulseek-rs.exe
 ```
 
+A normal Linux build produces `target/release/soulseek-rs`, a Linux binary;
+it does not produce the Windows `.exe`.
+
 Log in with your Soulseek account. Press **s** to search, enter your query,
 and press **Enter**. Focus the results pane with **2**, highlight a track,
 then press **Shift+D** to download all files directly in its remote folder,