By both executive order and using the regulatory power of the Alphabet Soup agencies. He's also constrained some agencies in ways that allow for increased lawlessness.
Some examples:
The National Truck Driver Registry
https://www.nhtsa.gov/research-data/national-driver-register-ndr
This registry requires all companies in interstate commerce employing commercial truck drivers to register them in this database. The complete history of those drives is to be included. "Problem drivers" to include ones that had issues as much as a decade or more ago and nothing since are listed since any driving infraction is listed no matter how old. This has resulted in the early retirement or quitting of over 50,000 drivers, and new drivers are less inclined to driver interstate because of it.
It has become a major reason for driver shortages.
Ordering CBP to not deport virtually anyone.
https://www.dailywire.com/news/deportations-have-dropped-90-percent-with-biden-in-office
https://crimeandjusticenews.asu.edu/news/biden-ends-quick-deportations
Biden is kowtowing to unions and refusing to allow US ports to modernize.
https://nypost.com/2021/10/18/to-please-unions-biden-wont-automate-ports-fueling-supply-chain-woes/
Biden makes homeownership harder and even unaffordable for lower income Americans
https://www.businessinsider.com/biden-jobs-plan-hurts-low-income-minority-families-buy-homes-2021-7
https://fee.org/articles/heres-how-biden-is-making-it-even-harder-to-buy-a-home/
Biden doubled the tariff on Canadian lumber making all lumber grotesquely expensive.
https://www.enr.com/articles/53119-...twood-lumber-contractors-expect-higher-prices
The jackass in the White House has fucked America and Americans on a daily basis with his Leftist bullshit policies and decisions.