| Feature | Build 21.4.11223 | Latest Build (2026) | |---------|------------------|---------------------| | Resource usage | Light (50 MB RAM) | Heavy (120 MB RAM) | | Windows 11 optimization | Limited | Full | | Subscription model | Perpetual (if bought) | Mandatory yearly | | Telemetry | Minimal | Extensive |
| Metric | Before Optimization | After Optimization | |--------|--------------------|--------------------| | Boot Time (cold start) | 1 minute 48 seconds | 1 minute 12 seconds | | Background Processes | 147 | 98 | | Disk Space Used | 412 GB | 387 GB (25 GB freed) | | Clicks to launch Chrome | 3 seconds | 1.5 seconds | Avast Cleanup Premium 21.4 Build 11223