1. Product activation.
2. OS requires significant system
3. Susceptable to virus, hacking & other
4. Retail pricing is significant.
5. Aging peripherals not widely
i. Windows 7 needs RAM capacity of at least 1
ii. Windows 7 cannot be easily upgraded from
iii. Sometimes driver support is not providing for
the old systems and the old version of
iv. the problem of BSOD with windows 7.
v. Many applications have failed to run in
windows 7 and they are asking for online