diff --git a/LICENSE b/LICENSE
index 7c20c06..5de4d3c 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,3 +1,38 @@
+Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
+
+You are free to:
+
+* Share — copy and redistribute the material in any medium or format
+* Adapt — remix, transform, and build upon the material
+
+The licensor cannot revoke these freedoms as long as you follow the license terms.
+
+Under the following terms:
+
+* Attribution — You must give appropriate credit, provide a link to 
+  the license, and indicate if changes were made. You may do so in any 
+  reasonable manner, but not in any way that suggests the licensor endorses you or your use.
+* NonCommercial — You may not use the material for commercial purposes.
+* ShareAlike — If you remix, transform, or build upon the material, you 
+  must distribute your contributions under the same license as the original.
+
+No additional restrictions — You may not apply legal terms or technological 
+measures that legally restrict others from doing anything the license permits.
+
+Notices:
+
+You do not have to comply with the license for elements of the material in 
+the public domain or where your use is permitted by an applicable exception or limitation.
+No warranties are given. The license may not give you all of the permissions 
+necessary for your intended use. For example, other rights such as publicity, 
+privacy, or moral rights may limit how you use the material.
+
+
+The following text is part of the old few lines of code of two first commit
+that i conservate in my git repos and also as the only coder available today 
+of this code sinde 2017:
+
+
                     GNU GENERAL PUBLIC LICENSE
                        Version 3, 29 June 2007
 
diff --git a/README.md b/README.md
index 1041e4f..b7ab97a 100644
--- a/README.md
+++ b/README.md
@@ -89,6 +89,10 @@ Some portion and first base code were posible thanks to:
 
    Copyright (C) ???? Sandro Del Toro De Ana
 
-License CC-BY-NC-SA-3.0 only . due sources were lost.
+   
+Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
+only due sources were lost and the mod is rewriten mostly to newer functions, 
+check the file [LICENSE](LICENSE)
+
+Any portion of code of firs 2 commit are under GPLv3, but that code was lost.
 
-Any portion of code of firs 2 commit are under GPLv3