Removing the door lever itself rotating it 180 degrees and installing it on the other side of the door will cause the lever to be inverted yet it will still operate the latch mechanism in exactly the same manner.
How to install a bathroom door handle with lock.
If you re in a situation where you cannot or do not want to use a drill to install your lock there are a couple ways of installing an interior door lock without a drill.
Look into keyed entry door knobs also called privacy knobs portable door locks or top of door locks.
Place the lock against the face of the door so that the locks face plate is flush with the door edge now take a pencil and make a mark through the locks spindle holes to the door face the locks spindle hole and the spindle that will lock the lock allow the handles to work the lock correctly after installation.
Me installing kwikset tustin door handle or knob.
Some blank doors have a specific swing.
Open the door and stand with your back to the hinges.
Changing a door s handle from left handed operation to right handed is simply a matter of orientation.
If the knob is to the right select a right handed door.
If you re installing a door knob or lever that locks properly line up the locking mechanism the long tip that comes through the centre of the face hole.
Screw both halves together with the door in between using the long screws provided with the hardware.
If the doorknob is on the left you need a left handed door.
Kwikset tustin door handle https amzn to 32lh5ft affiliate link.