While there are dozens of reasons your computer can be slowing down, here are some of our favorite initial checks:

  1. Check Disk Space
    1. Empty Recycle Bin
    2. Empty C:\Windows\Temp
    3. Empty C:\Windows\Software Distribution\Downloads
  2. Command Prompt (as Admin)
    1. DISM.exe /Online /Cleanup-image /Restorehealth
    2. DISM.exe /Online /Cleanup-Image /RestoreHealth /Source:C:RepairSourceWindows /LimitAccess
    3. sfc /scannow
  3. Disable non-essential Services
    1. Disable ‘Superfetch’ service
    2. Disable all but Microsoft services
  4. Register Edits
    1. HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management – set “ClearPageFileAtShutDown” to 1