--- a/windows.rst	Fri Dec 23 18:04:47 2011 +0200
+++ b/windows.rst	Sun Dec 25 13:18:19 2011 +0200
@@ -21,6 +21,10 @@
 To check 32/64-bit OS use PROCESSOR_ARCHITECTURE env var (it has such values:
 x86, AMD64, IA64).
 
+Full info about Windows edition available from this .vbs::
+
+  cmd> slmgr -dli
+
 Windows update.
 ===============
 
@@ -37,6 +41,8 @@
 
   http://www.microsoft.com/downloads/ru-ru/default.aspx
 
+Updates that reset pirate copy of Windows: КВ971033.
+
 Check system files integrity.
 =============================
 ::
@@ -77,9 +83,20 @@
 
   http://www.microsoft.com/resources/documentation/windows/xp/all/proddocs/en-us/net_use.mspx
 
-Activate windows.
+Activate Windows.
 =================
 
+Activate Windows from command line::
+
+  cmd> slmgr -ipk YGR45-THIS9-WONT5–0WORK-D7667
+
+Reset the evaluation period/licensing status and activation state of the
+machine::
+
+  cmd> slmgr -rearm
+
+See:
+
   http://www.microsoft.com/genuine/selfhelp/XPPkuinst.aspx?sGuid=bab9e103-6365-44dd-9337-93f0cd9dd4b7&displaylang=en
                 Windows Product Key Update Tool Instructions