There are reasons why you would want to upgrade, security, forward-compatibility, and product support. Since XP is becoming completely unsupported in a year, th

There are reasons why you would want to upgrade, security, forward-compatibility, and product support. Since XP is becoming completely unsupported in a year, that's a very compelling reason. Your last sentence doesn't really make any sense. If you're testing thoroughly you shouldn't run into any issues that are completely breaking.