# Pastebin puvttFUN
diff --git a/README.md b/README.md
index cdf8011..f16a170 100644
--- a/README.md
+++ b/README.md
@@ -82,13 +82,19 @@ You will need Python 3.7 (or a newer version, in which case replace `3.7` with t
 
 Obtain the source code:
 
-    git clone https://github.com/GlasgowEmbedded/Glasgow
+    git clone --recursive https://github.com/GlasgowEmbedded/Glasgow
     cd Glasgow
 
 Configure your system to allow unprivileged access (for anyone in the `plugdev` group) to the Glasgow hardware:
 
     sudo cp config/99-glasgow.rules /etc/udev/rules.d
 
+Install fx2 library:
+
+    cd vendor/libfx2/software
+    python3.7 setup.py develop --user
+    cd -
+
 Install the dependencies and the binaries for the current user:
 
     cd software
@@ -100,6 +106,10 @@ To update the source code, do:
 
     cd Glasgow
     git pull
+    git submodule update
+    cd vendor/libfx2/software
+    python3.7 setup.py build_ext
+    cd -
     cd software
     python3.7 setup.py build_ext