I am unable to defragment hard drive because I think I mistakedly uninstalled the task scheduler. Can I download or reinstall task scheduler somehow?1 person needs an answerI do too

I am unable to defragment hard drive because I think I mistakedly uninstalled the task scheduler. Can I download or reinstall task scheduler somehow?You don't need the Task Scheduler to run defrag.What makes you think you uninstalled Task Scheduler?Please provide the complete text of any error message (without paraphrasing) in your response.