PC is very slow ,how to speed up PC ?

Please follow or save below steps to speed up the PC/laptop 

Press windows key type "Disk clean ", hit enter

Clean up your  C drive , check all and clean it

Run command prompt as administrator

And then run below command :

DISM /Online /Cleanup-Image /RestoreHealth

Open task manager , click on start up tab :

Now right click on processes whichever you don't want on start up and disable them

Press windows key  type " %temp%  ", then select all files and folder and delete them

Press windows , type "msconfig", hit enter 

Click on services tab

Tick mark on hide all Microsoft services 

  Then disable all

Unhide hide all Microsoft services 

Apply --> ok 

You can restart system later 

Run "sfc/scannow" command as administrator

If still have performance issue then uninstall all unnecessary applications and if need reset your PC