To defragment or optimize a drive, just select it in the "Volumes" tray, select the optimization algorithm, and click the green "Go" button.

Glarysoft Disk SpeedUp is a free software to analyze, defragment and optimize hard disk space in quick time and enhance your Windows computer performance.

As files become increasingly fragmented on a hard drive, the machine's overall performance can take a hit. That's where Windows' defragging comes in.

Is your PC slowing you down? Use this guide to defragment files using the Optimize Drives tool on Windows 10.

Access "Optimize Drives" by searching for "Defrag" on the Charms menu search bar and selecting the "Defragment and optimize your drives" result .

Defrag and optimize your hard drive with free utility UltraDefrag.

Hard drives need defragging. All SSDs can use a good TRIM. But how and when? We'll tell you what to do and not do, and what's being done automatically.

When optimizing drives, Windows 10 should record the last time a drive is optimized so that it does not defrag a drive too often.