The statement does not necessarily imply that Mozilla will cut the support for Windows XP and Vista by September, for sure. Although the security challenges are difficult to prevent, it will not be advisable to use the browser on systems that could be forever vulnerable against exploits.

There is not a lot of people, who operates on decade old computers and are very critical of the surfing experience to use an up to date browser, implying that the effect could be limited. Although, the scenario is serious if users are stuck to work on PV or another scenario that users might have upgraded to the new version of the platform.

Without even the choice, Active enthusiasts, and normal users may have to consider a new operating system if the users want to experience the modern internet of this year. In general, if the computer is still running on old computer operating systems.

If in case that the operating system and the browser that is currently used are not up to date, there Is nothing to worry for now. The active old OS users still have until September next year.