Keep your computer running like new. PerfectDisk Professionals industry-leading defragmenting features speed up everything you do, from browsing the web to downloading music and editing pictures. Plus, you will see faster machine boot times and fewer software crashes and hangs. PerfectDisk Professionals patented SMARTPlacement feature is the most sophisticated defragging solution available. It identifies the files you use most and then organizes them according to your unique usage patterns. This comprehensive process yields faster subsequent defrag passes, quicker computer boots, slower rates of fragmentation, reduced resource consumption and improved performance of desktops and laptops. Key features: -Patented SMARTPlacement Optimization -Space Restoration Technology -Single-pass File and Free Space Defragmentation -Complete Automation -Minimal Free Space Requirement -Complete NTFS Metadata File Defragmentation -Optimized Master File Table (MFT) Placement -Selected Files Defrag -CPU and I/O Throttling -User-defined thresholds -Full Active Directory Integration -Optional GUI-less Installation -Full-featured Command Line Interface -Low System Resource Usage -Automatic Shutdown After Defrag -Defragments directories, pagefile and hibernate file -Improved performance -Smart automatic StealthPatrol -Faster Free Space Consolidation -Enhanced AutoPilot Scheduling -Unattended automatic scheduling for virtual machines -Complete defragmentation of all system files and NTFS metadata on virtual drives -Enhanced user interface Whats New: -NEW! Windows 10, 8, Windows 7, Vista & XP optimization (Including ReFS support!) -NEW! Enhanced S.M.A.R.T. monitoring of physical drives 20% faster HDD and SSD optimization -Increased flexbility in customizable scheduling -Enhanced SSD recommendations and reporting -Efficient fragmentation prevention -Intelligent usage-based filing strategy -Automatic background optimization -Advanced boot time defrag -Selected files defrag Operating System: Windows 10, 8, 7, Vista & XP Instructions: 1. Unpack and install 2. Run keygen and generate key 3. Register 4. Done.