If you repair your windows or install fresh copy of windows from service center, they will register your windows copy according their own name. If you want to see who install your windows simply right click on my computer and then click properties.
To remove that name and insert your own, you must edit the Windows Registry:
1. Click the Start button in the lower-left corner of Windows.
2. Click Run.
3. A window will appear. Type regedit in the blank, and then click the OK button or press the Enter key.
4. The Windows Registry Editor opens. In the left window pane, double-click the HKEY_LOCAL_MACHINE registry key.
5. A new column of registry keys appears. Double-click Software.
6. A long column of registry keys will appear. Scroll down until you find Microsoft, and then double-click it.
7. Another long list of registry keys appears. Scroll down and double-click Windows NT.
8. Click the CurrentVersion registry key.
9. In the right window pane, double-click the RegisteredOwner registry value
10. A window opens. Under the Value Data heading is the name of the previous owner. Delete it, and then type your name in the blank.
11. Click the OK button.
12. Above RegisteredOwner, double-clickthe registry value named RegisteredOrganization
13. Under the Value Data heading is the name of the previous owner’s employer or organization. Delete it, and then type the name of your organization (or you can just leave it blank if you want).
14. Click the OK button.
15. Exit the Registry Editor by clicking the X button in the upper-right corner.
