Change Key Lock

Toggle the fn lock on and the keys will function as if you re holding down the fn key all the time just as the caps lock key makes your letter keys function as if you re holding down the shift key all the time.
Change key lock. Re keying locks gives you the option of using one key for all the exterior doors. Select a lock with the same setback. Some lock manufacturers offer matching locksets making this process much easier than doing it yourself. Since most homes have multiple doors with multiple locks re keying can get expensive.
When you want the lock to open with a different existing key say so you no longer want to use separate keys to enter the front back and side doors the lock must be disassembled and the pins. Locksmiths typically charge a fee to re key an individual lock even when you bring it to their shop. Re keying kits are available for most lock brands but they re not interchangeable. These master keyed locks are configured to operate with two or more different keys.
This can often be toggled with an fn lock key which functions like a caps lock key. And if you want extra added security consider electronic door locks or even smart locks. Usually there is nothing special about the key itself but rather the locks into which it will fit. This will push the springs out of the way and serve as a partial guide for the new lock pins.
If your keyboard has an f lock key press it to toggle between the standard commands and alternate commands. Many new lock sets allow you to adjust the latch to either distance. The handedness of most locksets can be changed by using an included tool. Learn to re key a lock.
You can re key a lock like a pro at a fraction of the cost. When the f lock light is off alternate functions work help undo and so on. Insert the new lock key in the cylinder. Insert the new pins in the lock.
The new pins should be color coded or coded numerically to match a chart showing which pin goes where in the lock. One specific to each lock the change key which cannot operate any of the others in the set and the master key which operates all the locks in the set. When the f lock light is on standard functions work f1 f2 and so on. A master key operates a set of several locks.