Introduction: Why PCs Slow Down

Over time, computers gradually become slower and run out of storage space. This happens due to several common causes:

• • Accumulation of unnecessary software
• • Growth of temporary files and cache
• • Too many startup applications
• • Inefficient use of system resources

1. Identifying Storage-Hungry Software

Manual Check Method

1. 1. Open Settings (Windows key + I)
2. 2. Navigate to Apps → Apps & features
3. 3. Sort by "Size"
4. 4. Review largest applications first

PowerShell Analysis Method

For detailed information, use this PowerShell script:

Get-ChildItem "C:\Program Files", "C:\Program Files (x86)" -Recurse -Include *.exe | 
  Select-Object Name, DirectoryName, Length, LastAccessTime | 
  Sort-Object Length -Descending | 
  Select-Object -First 20

2. What to Keep vs. What to Remove

3. Managing Startup Applications

Reduce boot time by managing applications that start with Windows.

Using Task Manager

1. 1. Open Task Manager (Ctrl + Shift + Esc)
2. 2. Click the "Startup" tab
3. 3. Right-click unnecessary apps → "Disable"

4. Clearing Cache and Temporary Files

Windows Disk Cleanup

1. 1. Open File Explorer → "This PC"
2. 2. Right-click C: drive → "Properties"
3. 3. Click "Disk Cleanup"
4. 4. Select files to delete → "OK"

Application-Specific Cache

5. Hardware Upgrade Options