
Windows XP comes in both 32 and 64 bit varieties. The Maximum amount of ram supported is 4GB. Average retail price is $165. Release date was August 24, 2001. File system it supports is FAT(2gig), FAT32(4gig), and NTFS which supports both 2 and 4.
Features:
A new engine for windows.
Enhanced device driver verifier
Reduction of having to restart the computer.
Side-by-side DLL support
Windows File Protection
Windows Installer
Enhanced software restriction policies
Preemptive multitasking architecture
Scalable memory and processor support
Encrypting File System (EFS) with multi-user support
IP Security (IPSec)
Kerberos support
Smart card support
Internet Explorer Add-on Manager
Windows Firewall
Windows Security Center
Attachment Manager
Data Execution Prevention
Windows Firewall Exception List
Windows Firewall Application and Port Restrictions