Diagnostic Software

Use the CNET Download.com Diagnostic Software listings to find the best PC diagnostics for evaluating, monitoring, and optimizing your Windows system. Boost RAM or find top-rated Registry cleaners. For more diagnostic software resources, visit the most popular diagnostic software pages or find the newest diagnostic software releases.

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CPU-Z 1.43 Access information--such as processor and cache ratings--about your computer.	User rating:	01/10/2008	242,978	Download Now
CachemanXP 1.6.0.15 Optimize cache, autorecover RAM, and fine-tune system settings. Read editor's review...	CNET Review: User rating:	02/15/2008	18,998	Download Now
1st Registry Repair 1.5 Search and remove invalid entries and errors from your system registry.	User rating:	07/05/2007	14,654	Download Now
Registry Defragmentation 8.9.7.16 Improve computer performance by defragmenting the Windows registry file. Read editor's review...	CNET Review: User rating:	08/20/2007	15,825	Download Now
DTweak 3.11 Tune and optimize your Windows Vista system.	User rating:	04/29/2008	3,214	Download Now
WinBoost 4.74 Configure hundreds of hidden Windows settings. Read editor's review...	CNET Review: User rating:	03/29/2004	177,517	Download Now
Advanced Windows Optimizer 5.15 Optimize and speed up system performance by deleting junk and obsolete files. Read editor's review...	CNET Review: User rating:	12/13/2007	20,249	Download Now
CCleaner 2.07.575 Clean up junk files and invalid Registry entries. Read editor's review...	CNET Review: User rating:	04/29/2008	4,550,193	Download Now
RAMBooster 2 Monitor and improve your RAM performance automatically. Read editor's review...	CNET Review: User rating:	12/08/2005	3,451,385	Download Now
ASTRA32-Advanced System Information Tool 1.56 Perform computer configuration analysis and view detailed information of your computer hardware.	User rating:	04/16/2008	51,854	Download Now