How to change computer and company name

From the help section of the computer (you can pay me later for all this great computer advice):

"When you install Windows, Setup requests that you enter your name, and optionally, the organization name. This registration information is displayed under Registered to in the General tab of System when you click Start, click Control Panel, click Performance and Maintenance, and then click System.

To change your name and company information after Windows is installed on your computer, follow these steps:

WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.
1. Click Start, and then click Run.
2. In the Open box, type regedit, and then click OK.
3. Locate the following registry key:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion
4. To change the company name, do the following:
In the right pane, double-click RegisteredOrganization. Under Value data, type the name that you want, and then click OK.
5. To change the name of the registered owner, do the following:
In the right pane, double-click RegisteredOwner. Under Value data, type the name that you want, and then click OK.
6. Click Exit on the File menu to quit Registry Editor."