On the PC, I am often assist an elderly lady, was still running Windows XP, so it was now with the end of Microsoft support high time for an upgrade. I am not a computer expert, so I am on the Internet a little bit informed and then the right for said PC Windows 7 version, these same CD ordered. 3 days after the order she was there (delivery to Austria), on a free afternoon I got the upgrade then as directed (Microsoft Web site and other Internet sources) performed. Although takes several hours incl. Many updates that need to perform the PC (with multiple down-and-rauffahren), but ultimately everything worked to our satisfaction. For the printer I still had an appropriate Windows 7 drivers from the Internet, that's it. My friend is completely satisfied because they do with Windows 7 compared to XP also does not have to change much. Conclusion: Everything is going perfekt.Und I so now also made what times - and even successfully! :-)