Complete Task Manager Guide:

Opening Task Manager:
- Ctrl+Shift+Esc (fastest)
- Ctrl+Alt+Delete → Task Manager
- Right-click taskbar → Task Manager
- Search "Task Manager" in Start menu

Performance Tab - System-Wide Monitoring:
1. CPU Section:
   - Shows processor usage percentage (0-100%)
   - Each core shown separately for multi-core CPUs
   - If consistently high: Find the culprit in Processes tab

2. Memory (RAM) Section:
   - Shows how much RAM is currently used
   - If over 80% and not using anything = background bloat

3. Disk Section:
   - Shows read/write activity speed
   - High activity constantly = Check running processes

4. GPU Section:
   - Shows graphics card usage
   - Important for gaming and video editing

Processes Tab - Find What's Using Resources:

Finding High CPU Usage:
1. Click "CPU" column header to sort
2. Highest % appears first
3. Unknown process? Right-click → Google name
4. If it's malware or unwanted: right-click → End Task
5. To stop it from restarting: Find it in Settings → Startup

Finding High RAM Usage:
1. Click "Memory" column to sort by RAM
2. See which programs are memory hogs
3. Close programs you don't need
4. If something is using too much: End Task

Fixing High Disk Usage (100% Problem):
1. Go to Performance → Disk
2. If constantly at 100%:
   - Windows Update might be running (wait)
   - Antivirus scanning (wait or modify scan schedule)
   - Windows Search indexing (disable if not needed)
3. Check Processes tab → Disk column
4. Find the process using 100% disk
5. Research it before terminating

Network Troubleshooting:
1. Performance tab → Ethernet/WiFi
2. If speed is lower than expected:
   - Check if other programs are downloading
   - Restart router if no improvement
   - Run speedtest.net to verify

Startup Impact Tab:
- Shows programs that run at startup
- High impact programs slow down boot time
- Disable unnecessary startup programs here

System Processes You Can Safely End:
- Update programs you're not actively using
- Background apps for services you disabled
- Program helper processes

System Processes to NEVER End:
- Anything with name "System", "Kernel", "Windows"
- Services related to running Windows
- Always research before ending unknown processes