The BBB cautions against giving "tech support" remote access to your computer. How the scam works and tips to spot a scam are addressed.

Offering a comprehensive range of tech support options is the most effective way to facilitate equitable technology access across your organization. Customizing remote work setups for each team ...

Worse, the tech support person would likely have to do this only when the user was not working at the computer, which would probably turn a 20-hour job into a 40-plus-hour task.