Você pode transferir o proprietário da licença original para o seu . A menos que o tipo de licença seja transferido para você do proprietário original, você não poderá ser o proprietário dele!
De acordo com Microsoft faq :
Please look at the End User Software License Terms to find out which type of license has been issued for the Microsoft software on the computer system and check the provisions relating to transfer. To find and read the End User Software License Terms, click Start on the taskbar, click Help and Support, and do a search for eula.txt.
Generally speaking, in the case of OEM or OEM System Builder software, the license may not be transferred to a new or different PC. However, the entire used PC, including the software media, manuals, and Certificate of Authenticity, may be transferred to another end user along with the software license rights.
E na seção de transferência de licença:
After an OEM software license has been installed on a PC, the license may not be installed on or transferred to another PC. However, the entire PC may be transferred to another end user along with the software license rights. When transferring the PC to the new end user, the software media, manuals (if applicable), and Certificate of Authenticity label must be included. It is also advisable to include the original purchase invoice or receipt. The original end user cannot keep any copies of the software.