https://www.siliconvalley.com/2021/01/05/can-biden-reverse-trumps-executive-orders-ask-the-lawyer/

Q: We will soon have a new president and, clearly, he will seek to undo at least some of what President Donald Trump has done. Can President-elect Joe Biden simply end Trump’s executive orders?

A: Executive orders are directives issued by the president with regard to operations of the federal government. They do not carry the same weight as an act of Congress enacted into law. For example, The Dreamers program (formally known as Deferred Action for Childhood Arrivals and abbreviated DACA) was instituted by former President Barack Obama as an executive order, which Trump subsequently reversed. In turn, once Biden officially is president, he can end, modify or reverse executive orders issued by Trump. This does not mean the changes necessarily are immediate; regulations already in place based on the prior executive order(s) may have to be modified and the impact of Biden’s actions will, in at least some instances, no doubt take time to become a reality.