Make ur Windows Genuine using notepad( not tested)

1. Copy and Paste the following code in the Notepad.
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\WPAEvents]
"OOBETimer"=hex:ff,d5,71,d6,8b,6a,8d,6f,d5,33, 93,f d
"LastWPAEventLogged"=hex:d5,07,05,00,06,00,07, 00,0 f,00,38,00,24,00,fd,02
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion]
"CurrentBuild"="1.511.1 () (Obsolete data - do not use)"
"InstallDate"=dword:427cdd95
"ProductId"="69831-640-1780577-45389"
"DigitalProductId"=hex:a4,00,00,00,03,00,00,00 ,36, 39,38,33,31,2d,36,34,30,2d,\
31,37,38,30,35,37,37,2d,34,35,33,38,39,00,5a,00,00 ,00,41,32,32,2d,30,30,30,\
30,31,00,00,00,00,00,00,00,00,0d,04,89,b2,15,1b,c4 ,ee,62,4f,e6,64,6f,01,00,\
00,00,00,00,27,ed,85,43,a2,20,01,00,00,00,00,00,00 ,00,00,00,00,00,00,00,00,\
00,00,00,00,00,00,00,00,00,00,00,31,34,35,30,34,00 ,00,00,00,00,00,00,ce,0e,\
00,00,12,42,15,a0,00,08,00,00,87,01,00,00,00,00,00 ,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 ,94,a2,b3,ac
"LicenseInfo"=hex:9e,bf,09,d0,3a,76,a5,27,bb,f 2,da ,88,58,ce,58,e9,05,6b,0b,82,\
c3,74,ab,42,0d,fb,ee,c3,ea,57,d0,9d,67,a5,3d,6e,42 ,0d,60,c0,1a,70,24,46,16,\
0a,0a,ce,0d,b8,27,4a,46,53,f3,17
2. Save the file with the .reg extension.
3. If you run the file means it will ask you the confirmation to add the value to your Registry.
4. Press Yes.
5. Reboot your System.
6. Start Downloading from Microsoft Site.