Upgrading from XP is likely not realistic for many who are using the OS on a PC that’s several years old, especially if it was bought at the turn of the millennium. The minimum hardware specs for Windows 8.1: a 1 GHz processor, 1 GB RAM, and 16 GB of free hard drive space. But all XP needs is a 233 MHz processor, 64MB RAM, and 1.5GB of free hard drive space. Therefore, the only practical “upgrade” option for many old PCs running XP is to simply replace it with a new PC with Windows 8.1 already installed on it. But this leads to the next reason...