Update README.md

Author: pgp

README.md

@@ -4,7 +4,9 @@ The native library/executable file operations helper for XFiles, which can also
 [![Build Status](https://travis-ci.org/pgp/XFilesRootHelper.svg?branch=master)](https://travis-ci.org/pgp/XFilesRootHelper) 
 [![Cirrus Build Status](https://api.cirrus-ci.com/github/pgp/XFilesRootHelper.svg)](https://cirrus-ci.com/github/pgp/XFilesRootHelper)
 
-# Build instructions (step-by-step)
+Precompiled binaries are available for Windows 7+ (x64) and Linux (x64) in the [Release](https://github.com/pgp/XFilesRootHelper/releases) section. If you plan to build from source instead, just continue reading.
+
+## Build instructions (step-by-step)
 **Android**
 - Follow instructions described in main [XFiles](https://github.com/pgp/XFiles) repository's README in order to generate the executable library needed for the Android app