Update README.md

Author: hani-girgis

README.md

@@ -21,6 +21,20 @@ Please cite the following paper:
 	self-supervised general linear models. Hani Z. Girgis, Benjamin T. James, and Brian B.
 	Luczak. NAR GAB, 2020.
 
+Requirments:
+	GNU g++ 7.5.0 or later
+	You may change the compiler in the CMakeLists.txt: set(CMAKE_CXX_COMPILER g++-7)
+
+To Compile:
+	mkdir bin
+	cd bin
+	cmake ..
+	make
+
+To Test:
+	cd test
+	../bin/identity -d keratin_small.fasta -q keratin_query.fasta -o output.txt -t 0.7
+
 List of parameters:
 
 	-d: Required. Database file in FASTA format.