Open the notepad to create a new file. Inside place something similar to this:
[General]
Manufacturer=
Model=
[Support Information]
Line1=
Line2=
Line3=
Line4=
Line5=
Line6=
You can add any information to those lines. It’s your option.
Once you created this file save it in the format OEMINFO.INI and place it into the following folder: WindowsSystem32.
Next step is to create a logo. The logo must be in BMP format with 256 colors. Create/edit an image and save it OEMLOGO.BMP inside the above mentioned folder: WindowsSystem32.
Note that the logo won’t work alone without the OEMINFO file. So it’s mandatory to have both files placed inside the System32 folder. On the other hand, OEMINFO.INI can work without the logo, which is optional.