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Utilities & Operating Systems for Windows

From system diagnostics to registry cleaners, Download.com features all the latest utilities and tools. Whether... more
From system diagnostics to registry cleaners, Download.com features all the latest utilities and tools. Whether you're looking for FTP clients, compression utilities, or software to back up your hard drive, Download.com has you covered.
CCleaner

CCleaner
Free

CCleaner

Clean up junk files and invalid Registry entries.

Free
Editors' rating
User rating
Publisher: Piriform Downloads: 122,638,149
Advanced SystemCare Free

Advanced SystemCare Free
Free

Advanced SystemCare Free

Speed up a slow PC, shorten startup time, and protect online privacy.

Free
Editors' rating
User rating
Publisher: IObit Downloads: 136,451,907
Driver Booster 3

Driver Booster 3
Free

Driver Booster 3

Update outdated, missing, faulty drivers and game components with one click.

Free
User rating
Publisher: IObit Downloads: 22,164,009
MiniTool Partition Wizard Free Edition

MiniTool Partition Wizard Free Edition
Free

MiniTool Partition Wizard Free Edition

Move, resize, copy, explore, and recover hard disk drive partitions.

Free
Editors' rating
User rating
Publisher: MiniTool Downloads: 20,949,718
IObit Uninstaller

IObit Uninstaller
Free

IObit Uninstaller

Remove stubborn apps, browser plug-ins, and injected programs.

Free
Editors' rating
User rating
Publisher: IObit Downloads: 10,673,531
WinRAR (64-bit)

WinRAR (64-bit)
Free to try

WinRAR (64-bit)

Take full control over RAR and ZIP archives, along with unpacking a dozen other archive formats.

Free to try
Editors' rating
User rating
Publisher: RARLAB Downloads: 25,293,975
Driver Easy

Driver Easy
Free

Driver Easy

Find and update drivers for your PC.

Free
Editors' rating
User rating
Publisher: Easeware Technology Downloads: 10,428,311
Smart Defrag

Smart Defrag
Free

Smart Defrag

Defrag and optimize hard disk to enhance disk durability and maximize PC performance.

Free
User rating
Publisher: IObit Downloads: 22,222,697
SlimDrivers Free

SlimDrivers Free
Free

SlimDrivers Free

Update PC drivers automatically using cloud technology.

Free
Editors' rating
User rating
Publisher: SlimWare Utilities Downloads: 13,525,490
WinRAR (32-bit)

WinRAR (32-bit)
Free to try

WinRAR (32-bit)

Take full control over RAR and ZIP archives, along with unpacking a dozen other archive formats.

Free to try
Editors' rating
User rating
Publisher: RARLAB Downloads: 161,227,393
Results 1 - 10 of 16,580

About Utilities & Operating Systems

From system diagnostics to registry cleaners, Download.com features all the latest utilities and tools. Whether you're looking for FTP clients, compression utilities, or software to back up your hard drive, Download.com has you covered.