Securing Windows 7

The most important things for Windows 7:

1. Windows Update
2. Install Antivirus (Microsoft Security Essentials)
3. Setup your personal firewall

1. Update Java

Update Flash (http://www.adobe.com/software/flash/about/)

Update Reader

In case of virus - Scan with Malwarebytes, etc http://www.microsoft.com/security/scanner/en-us/default.aspx

Run as a standard user, use the UAC (ask for admin password on install, etc)