To start, create a 128 x 128 pixel logo using your favorite image editing program. Save it as “logo.bmp”.
Copy the bitmap to “C:WindowsSystem32oobe”
Open Notepad and copy & paste the following into it. Change the “My Name” to whatever you want, it will show up as the manufacturer.
Windows Registry Editor Version 5.00
Save the file as branding.reg. Double click on the file you just created and select yes to merge it with your registry. Next, it should tell you it was successful. Click OK.
Next, right click on “Computer” and select “Properties”. You should see your new logo and manufacturer name as shown above!