1) windows 7 home upgrade
2) Microsoft windows 7 professional upgrade
for take care your windows from any bugs,viruses,spyware or another malware programs you need installing some internet security like Avast or AVG.Now I present to you another internet security program.If you interesting with this program you can buy it from here:
1) Kaspersky internet security
2) Norton security 2010
3) McAfee total protection 3 user 2010
4) Antivirus 2010
Bitdefender Antivirus 2010 provides advanced proactive protection against viruses,spyware,phising attacks and identity theft without slowing down your pc.Automatic defragmentation feature provided by diskeeper.
BitDefender Antivirus 2010 (5 users - 1 year) + Free 5 Diskeeper Pro
