1. There are still a lot of people running on older computers (i.e. Windows 98/ME) and see no reason to upgrade (and probably have never installed a system update/hotfix at all).
2. There are just a lot of people that don't install any system updates.
3. There are people with pirated Windows versions that don't know how (or just don't care about them at all) to hack around the 'Genuine Windows' checks. So they don't install system updates.
2. There are just a lot of people that don't install any system updates.
3. There are people with pirated Windows versions that don't know how (or just don't care about them at all) to hack around the 'Genuine Windows' checks. So they don't install system updates.