I may have left it late in posting this but will be upgrading from XP to windows 7 tomorrow morning on two pc’s. Just noticed on the box that it contains two discs, one for 32 bit the other 64 bit. I seem to remember there may have been issues with either the spam function or phishing facility when using 64 bit versions of W7 on NIS 2010? Any info would be greatly appreciated. I will probably stick with the 32 bit install.