System Utilities

Best free tools to clean, optimize, monitor and speed up your Windows 11 and macOS in 2026

CCleaner

CCleaner Free 6.4

World's most popular PC cleaner. Removes junk, fixes registry, manages startup programs.

★★★★☆ v6.4 • Today Download Now
BleachBit

BleachBit 4.6

Powerful open-source cleaner. Deletes temporary files, cookies, logs and frees up disk space.

★★★★☆ v4.6 Download Now
Wise Disk Cleaner

Wise Disk Cleaner 11.2

Fast and lightweight disk cleaner with defragmentation tools.

★★★★★ v11.2 Download Now
Advanced SystemCare

Advanced SystemCare Free 18

All-in-one optimizer: cleans, speeds up, protects privacy and repairs Windows.

★★★★☆ v18 Download Now
Speccy

Speccy 1.44

Detailed hardware information tool by Piriform. Shows CPU, RAM, GPU, temperatures.

★★★★★ v1.44 Download Now
HWMonitor

HWMonitor 1.55

Real-time hardware monitoring: CPU & GPU temperature, voltages and fan speed.

★★★★☆ v1.55 Download Now
CrystalDiskInfo

CrystalDiskInfo 9.4

Best tool to check SSD & HDD health, temperature and S.M.A.R.T. status.

★★★★★ v9.4 Download Now
PowerToys

Microsoft PowerToys 0.89

Official set of powerful utilities: FancyZones, PowerRename, Keyboard Manager and more.

★★★★☆ v0.89 Download Now

Best System Utilities for Windows 11 in 2026

Over time, every computer accumulates junk files, unnecessary startup programs, and fragmented data. These system utilities help millions of American users keep their PCs fast, clean, and stable. All programs on this page are 100% free, regularly updated, and thoroughly checked for safety.

Popular types of system utilities: