diff --git a/README.md b/README.md
index 98b9a07..2e50bf3 100644
--- a/README.md
+++ b/README.md
@@ -20,4 +20,17 @@ main #= [] -> {
 - Compilation to jvm bytecode?
 
 ## Getting Started
-Variables assigned using #= can't be changed (they are "final"), while the ones affected using the normal operator (=) can.
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+Variables assigned using #= can't be changed (they are "final"), while the ones affected using the normal operator (=) can.
+
+## Build requirements
+
+### Linux target
+
+- GCC 10+ or Clang 11+
+
+### Windows target
+
+ - MinGW32
+ - The required packages for threading support (e.g: mingw-std-threads)
+
+MSVC could also be used instead if you are on Windows.
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