diff --git a/Makefile b/Makefile
index f27bcce..c9770d3 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,12 @@
-run:
-	g++ -o calc main.cpp
-	./calc
-
 build:
 	g++ -o calc main.cpp
+
+run: build
+	./calc
+
+install: build
+	cp calc /usr/local/bin
+clean:
+	rm calc
+uninstall:
+	rm /usr/local/bin/calc
\ No newline at end of file
diff --git a/Makefile.win b/Makefile.win
index fc0e3c4..ffa5069 100644
--- a/Makefile.win
+++ b/Makefile.win
@@ -1,6 +1,6 @@
-run:
-	g++ -o calc main.cpp
-	calc.exe
-
 build:
 	g++ -o calc main.cpp
+run: build
+	calc.exe
+clean:
+	del calc.exe
\ No newline at end of file
diff --git a/Makefile.wps b/Makefile.wps
index 1e4025e..71a5192 100644
--- a/Makefile.wps
+++ b/Makefile.wps
@@ -1,6 +1,6 @@
-run:
-	g++ -o calc main.cpp
-	.\calc.exe
-
 build:
 	g++ -o calc main.cpp
+run: build
+	.\calc.exe
+clean:
+	rm calc.exe
\ No newline at end of file