To backup your WordPress installation using Softaculous in DirectAdmin, follow these steps:

Step 1: Log in to your DirectAdmin Panel using your username and password.

Step 2: Scroll down to the Software/Services section and click on Softaculous.

Step 3: In the Softaculous interface, you will see a list of applications on the left-hand side. Locate and click on WordPress.

Step 4: On the WordPress page, you will see a list of your WordPress installations. Find the installation you want to backup and click on the Backup icon/button next to it.

Step 5: Softaculous will present you with backup options. You can choose to backup the entire installation or select specific parts, such as the database or files.

Step 6: Select the backup options according to your preference. You can usually leave the default settings intact to perform a full backup of your WordPress installation.

Step 7: Scroll down and click on the Backup Installation or Backup Now button to initiate the backup process.

Step 8: Softaculous will create a backup of your WordPress installation and display a progress bar indicating the backup status.

Step 9: Once the backup is complete, you will see a success message with details of the backup file's location and size.

Step 10: You can find the backup file in the Softaculous Backup directory. Note the file name and location for future reference.

By following these steps, you can easily create a backup of your WordPress installation using Softaculous in DirectAdmin. It's always a good practice to regularly backup your WordPress website to safeguard your data and have a restore point in case of any issues or data loss.