Depending on the state you live in, and whether the lease specifically mentioned taking special care of the hardwood floors, this could very well be considered regular wear and tear. There does not appear to be intentional damage here.

The landlord will also need to provide documentation prior to getting work done if they want you to cover the bill, at which point you’ll have the option to contest it.

Check out tenant rights for your state to verify. Hopefully, you’ll also be more careful with hardwood floors in the future. Couches on wheels are no-bueno.

Wouldn’t it be possible to buy a new PC, open the box, and return it right after because you cannot set it up without internet?

If enough people do it, may be PC manufacturers will force Microsoft to add offline setups.