--- a/firefox.rst	Thu Dec 01 12:11:28 2011 +0200
+++ b/firefox.rst	Sat Dec 03 19:30:34 2011 +0200
@@ -32,6 +32,22 @@
 
 and in GUI push "Create profile" button and type profile name.
 
+How to add old profile.
+-----------------------
+
+Locate profile config file::
+
+  c:/Users/%USERNAME%/AppData/Roaming/Mozilla/Firefox/profiles.ini
+
+and add entry::
+
+  [Profile1]
+  Name=test
+  IsRelative=0
+  Path=E:\home\.firefox
+
+You must edit ``Profile1`` and ``Path`` lines.
+
 How run two firefox simultaneously.
 -----------------------------------
 ::