diff --git a/build.sh b/build.sh
index 5c81603d..ff84b5dc 100644
--- a/build.sh
+++ b/build.sh
@@ -1,7 +1,33 @@
-python3 prebuild.py
-SRC=$(find src/ -name "*.cpp")
-FLAGS="-std=c++17 -O2 -stdlib=libc++ -Wfatal-errors -Iinclude"
+#!/bin/bash
 
+# Check if python3 is installed
+if ! type -P python3 >/dev/null 2>&1; then
+    echo "python3 is required and not installed. Kindly install it."
+    echo "Run: sudo apt install python3"
+    exit 1
+fi
+
+# Check if clang++ is installed
+if ! type -P clang++ >/dev/null 2>&1; then
+    echo "clang++ is required and not installed. Kindly install it."
+    echo "Run: sudo apt-get install libc++-dev libc++abi-dev clang++"
+    exit 1
+fi
+
+echo "Requirements satisfied: python3 and clang++ are installed."
+echo "It takes a moment to finish building."
+echo ""
+echo "> Running prebuild.py... "
+
+python3 prebuild.py
+
+# echo -n "Finding source files... "
+SRC=$(find src/ -name "*.cpp")
+# echo "Done"
+
+echo "> Compiling and linking source files... "
+
+FLAGS="-std=c++17 -O2 -stdlib=libc++ -Wfatal-errors -Iinclude"
 if [[ "$OSTYPE" == "darwin"* ]]; then
     LIB_EXTENSION=".dylib"
     FLAGS="$FLAGS -undefined dynamic_lookup"
@@ -10,7 +36,17 @@ else
     LIB_EXTENSION=".so"
     LINK_FLAGS="-Wl,-rpath=."
 fi
+
 clang++ $FLAGS -o libpocketpy$LIB_EXTENSION $SRC -fPIC -shared -ldl
 
 # compile main.cpp and link to libpocketpy.so
-clang++ $FLAGS -o main src2/main.cpp -L. -lpocketpy $LINK_FLAGS
\ No newline at end of file
+echo "> Compiling main.cpp and linking to libpocketpy$LIB_EXTENSION..."
+
+clang++ $FLAGS -o main src2/main.cpp -L. -lpocketpy $LINK_FLAGS
+
+if [ $? -eq 0 ]; then
+    echo "Build completed. Type \"./main\" to enter REPL."
+else
+    echo "Build failed."
+    exit 1
+fi