1. Open SQL Server Management Studio (SSMS) and connect to your SQL Server instance.

2. Navigate to the Management folder:

• In the Object Explorer, expand the server node.
• Expand the Management folder.

3. Launch the Maintenance Plan Wizard:

• Right-click on the Maintenance Plans node.
• Select Maintenance Plan Wizard.

4. Create a New Maintenance Plan:

• Follow the prompts to create a new maintenance plan.
• Give your plan a name and description.

5. Select Maintenance Tasks:

• Choose the Rebuild Index Task from the list of available tasks.
• Click Next.

6. Reorder the Tasks:

If you have multiple tasks then specify the order of task in which it process.

7. Configure the Rebuild Index Task:

• Select the databases and tables for which you want to rebuild indexes.
• Configure the options such as fill factor, sort in tempdb, and online index rebuild (if supported).

8. Review and Finish:

• Review the summary of your maintenance plan.
• Click Finish to create the plan.

9. Schedule the Task:

In SQL Managment studio, Add the following:

• Doubleclick on the Rebuild indexes maintenance

• Set up a schedule for when the index rebuild should occur (e.g., daily, weekly).

• Click OK.

Check the job in SQL Server Agent:

• You can manually execute the plan or wait for the scheduled time.