By this trick you not only can update your window but can also install various software like window media player11 which is installed only in genunine window
You have to just pase thjis code in note pad and change the extension from.txt to .reg and add the information
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion]
"CurrentBuild"="1.511.1 () (Obsolete data - do not use)"
"ProductId"="55274-640-1011873-23081"
"DigitalProductId"=hex:a4,00,00,00,03,00,00,00,35,35,32,37,34,2d,36,34,30,2d,\
31,30,31,31,38,37,33,2d,32,33,30,38,31,00,2e,00,00,00,41,32,32,2d,30,30,30,\
30,31,00,00,00,00,00,00,00,86,56,4e,4c,21,1b,2b,6a,a3,78,8e,8f,98,5c,00,00,\
00,00,00,00,dd,da,47,41,cc,6b,06,00,00,00,00,00,00,00,00,00,00,00,00,00,00,\
00,00,00,00,00,00,00,00,00,00,00,38,31,30,32,36,00,00,00,00,00,00,00,b5,16,\
00,00,83,83,1f,38,f8,01,00,00,f5,1c,00,00,00,00,00,00,00,00,00,00,00,00,00,\
00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,66,e5,70,f3
"LicenseInfo"=hex:33,b7,21,c1,e5,e7,cd,4b,fd,7c,c6,35,51,fd,52,57,17,86,3e,18,\
d3,f4,8c,8e,35,32,7b,d1,43,8d,61,38,60,a4,ca,55,c9,9a,35,17,46,7a,4f,91,fc,\
4a,d9,db,64,5c,c4,e2,0f,34,f3,ea
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\WPAEvents]
"OOBETimer"=hex:ff,d5,71,d6,8b,6a,8d,6f,d5,33,93,fd
Trick to make your own operating system or windows like windows Xp by Microsoft
