Question 1 My company refurbishes and resells used PCs. Can anyone take me step by step through the process of creating and deploying a master copy of OEM XP Pro on the machines I refurbish. I have found bits and pieces of this on the Microsoft site but frankly I am now more confused than when I started. Question 2 All the machines I get have valid COAs. Do I have to buy new OEM copies of XP to load on these machines? Can I use one master copy as long as there is a valid sticker on the machine? Do I have to individually punch in each machines COA when I transfer the master copy? Ok that was really 3 questions sorry.