Here is a list of tools included in suite:
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Registry Cleaner |
Registry Cleaner scans your entire Windows registry for any invalid or obsolete entries and provides a list of the registry errors found. After that you can choose to clean list items with selection or automatically repair them all.
Key features:

Reduces the size of the windows registry

Repairs and maintains your PC at peak performance

Optimizes performance and fixes many PC problems
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Registry Defragmenter |
Registry Defragmenter scans and optimizes your registry by removing gaps and wasted space, thereby helping to improve system performance.
Key features:

Optimizes and defragments registry for faster system performance

Reduces the size of the windows registry

Speeds up boot up time
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Disk Cleaner |
Disk Cleaner keeps your computer clean and running at peak level. It quickly and permanently removes unwanted clutter.
Key features:

Automatically identifies and removes junk files

Frees up valuable space on your hard drive

Repairs and maintains PC health
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Duplicate Files Remover |
Duplicate Files Remover helps you to find and remove duplicate files on your PC. Duplicate files such as music, video, documents, etc.
Key features:

Finds and deletes duplicate files automatically

Regains valuable hard disk space

Finds and deletes duplicate content - music, video, documents, applications
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Disk Space Explorer |
Disk Space Explorer is a software utility for the visualization of disk space usage by getting the size for each folder (including subfolders) & files in folder or drive.
Key features:

Frees up valuable space on your hard drive

Finds what takes most space on disk drive

Visualizes disk space usage by files & folders
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Smart Uninstaller |
Smart Uninstaller works much faster than Windows Add/Remove applet and completely removes unwanted items from your computer.
Key features:

Regains plenty of disk space

One-button checkup makes sure your PC is clean

Finds and removes hidden threats
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Service Manager |
Service Manager automatically optimizes your services and drivers for better performance.
Key features:

Optimizes performance and fixes many PC problems

Recovers CPU & Memory resources taken by unneeded services and drivers

Automatically tweaks system services and drivers for better performance
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Startup Manager |
Startup Manager helps you control, manage and optimize Windows startup configuration.
Key features:

Takes control of the programs that are loaded during windows startup

Speeds up boot up time

Optimizes PC for better performance
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History Cleaner |
History Cleaner protects your privacy by cleaning up traces of applications, internet history, cookies, cache, and temporary files.
Key features:

Permanently deletes private data about internet usage and multimedia use

Keeps your computer clean and running at peak level

Improves system response time