Preventing hard drive fragmentation on Windows 11 helps enhance the speed of accessing the hard drive after a period of use. Here are common methods to run disk defragmentation programs on Win 11.

1. Defragmenting the Hard Drive with Defragment and Optimize Drives
Defragment and Optimize Drives come pre-installed on the Windows operating system to assist users in optimizing the storage drives on their computers. They include both effective drive optimization and defragmentation.
Step 1: Open the Search tool on the Windows 11 Taskbar and type Defragment and Optimize Drives to launch it.

Step 2: When the Defragment and Optimize Drives tool is open, you'll see a list of connected drives on your computer.
Firstly, you must select Analyze to initiate the hard drive analysis and check the overall health of the drive.

Step 3: The fragmentation ratio of the hard drive will be displayed in the Current Status section, allowing you to assess the current status of the drive.
To prevent hard drive fragmentation, select Optimize to initiate the optimization process.

Step 4: The defragmentation process will occur automatically and may take 5-10 minutes depending on the drive's capacity.
Once the hard drive optimization process concludes, you will see Defragmented in the Current Status section revert to 0%.

2. Preventing hard drive fragmentation using Command Prompt
The Command Prompt tool allows you to use various commands to address various issues on your computer, including fixing hard drive fragmentation.
Step 1: Open the Menu Start, type cmd, and select Run as administrator to run it with admin privileges.

Step 2: Then, simply enter the following command into the system to instantly prevent hard drive fragmentation.
Defrag + Drive letter to be defragmented
Step 3: The system will automatically analyze the hard drive you want to prevent fragmentation on and address the fragmentation issue automatically for you.
After the defragmentation process is complete, simply restart your computer for everything to operate smoothly.

3. Preventing hard drive fragmentation using File Explorer
In addition to the mentioned methods of preventing hard drive fragmentation, you can also prevent it by accessing File Explorer and configuring settings.
Step 1: Open This PC on your computer and locate the hard drive you want to prevent fragmentation on.

Step 2: Then, Right-click on the drive you want to defragment and select Properties.

Step 3: In the Properties window, choose the Tools tab and navigate to the Optimize section under Optimize and defragment drive.

Step 4: Similar to the methods above, simply select the drive and choose Analyze => Optimize sequentially to start preventing fragmentation and optimizing the drive.

In this article, Software Tips provides guidance on preventing hard drive fragmentation on Windows 11. Wishing you success in your endeavors!
