diff --git a/README.md b/README.md
index 04977d9a8106e97390eac88b1be98c5d9810eace..d447a2630ca1f2739bda46f703c7bcadac0567b1 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,8 @@
-# ![The LAGO Project](http://lagoproject.org/images/lago-logo-90.png "The LAGO Project") The LAGO ANNA suite
+# ![The LAGO Project](http://lagoproject.net/images/lago-logo-90.png "The LAGO Project") The LAGO ANNA suite
 
 | CODENAME			| ANNA  |
 |-------------------|:------|
-| COPYRIGHT			| (C) 2012-Today, The LAGO Project, [lagoproject.org](http://lagoproject.org)|
+| COPYRIGHT			| (C) 2012-Today, The LAGO Project, [lagoproject.net](http://lagoproject.net)|
 | LICENSE			| BSD-3-Clause |
 | REPOSITORY		| https://github.com/lagoproject |
 | CONTACT			| [lago@lagoproject.org](mailto:lago@lagoproject.org)|
@@ -21,3 +21,18 @@
 | USAGE				| Please visit our [wikipage](http://wiki.lagoproject.org) (internal use only)|
 
 The [Latin American Giant Observatory (LAGO)](http://lagoproject.org) is an extended Astroparticle Observatory at global scale. It is mainly oriented to basic research on three branches of Astroparticle physics: the Extreme Universe, Space Weather phenomena, and Atmospheric Radiation at ground level.
+
+
+# Before to used it
+
+## Libraries needed:
+
+- sudo apt install openssh-server vim libreadline7 libreadline7-dev ntp xorg xorg-dev libusb-dev cc1111
+
+- sudo apt install m4 automake autoconf gnu-standards autotools-dev autoconf-archive automake cvs subversion git mercurial manpages-dev gfortran build-essential gsl-bin libgd2-xpm-dev fort77 cmake rar libx11-dev rsync screen htop xclip dos2unix vpnc nmap pdfshuffler pdfsam
+
+- sudo apt install python-numpy python-scipy python-matplotlib python-simpy python-simpy-gui imagemagick gnuplot-x11 astyle pdl
+
+- sudo apt install hdf4-tools hdf5-tools libcfitsio-bin libcfitsio-dev libhdf5-dev libhdf4-dev pandoc
+- sudo apt install python3-numpy python3-scipy ipython3 python3-matplotlib python3-simpy
+