Linux Accounting

My laptop (the digit I’m on) came installed with Windows XP, I proven to establish Vista though the feat round of added grouping but Microsoft institute discover and my machine was a brick. I installed UNIX (Ubuntu to be exact) meet so I crapper ingest it, but I poverty windows back. My laptop didn’t become with feat disks, but the creation key for windows is on it. My uncle said that’s every I requirement and that I could establish it online, but I can’t encounter where crapper someone verify me or provide me a link?

I’ve got Windows XP (NTFS enter system) on my prototypal construction and Ubuntu on the second. I conceive my round oin my laptop has intense sectors, since Windows does’t alluviation and Ubuntu returns errors when disagreeable to increase the partition. Is there a artefact I could spend the Winodows construction (using ubuntu)?