2. Defrag your hard disk
Some current Windows versions give room for disk defragmentation, however, you cannot totally be assured of an optimal result with the default automation. You might want to try other great third party defragmenters. Some of these defragmenters are IObits Smart Defrag 5 and O&O Defrag. The former works very well and is free. But there is a clause here though. You should only use these third party software if your machines use a traditional mechanical hard drive and not a Solid State drive.