1. Open the start menu
2. Right click on computer and click on Properties
3. The System page will open and you will find the current computer name, under computer name, domain, and workgroup settings section
4. click on Change settings
5. On the System Properties Window click change
6. Inside the Computer Name textbox, you will find your current computer name. Type the new name tat you want your computer to be called and click ok
7. Once you have clicked OK, a dialog box will popup informing you that the changes will not take effect till you restart your computer. Click OK
8. You will now be taken back to the System Properties window, click on close
9. Once the System Properties window has been closed a dialog box will popup asking you to reboot your computer