How hard is changing a lock?

I have a cheap RSC with crappy digital lock.

I bought a TimeMaster LG200M-57156SC type 2 lock.

How hard is it to change out myself?

Any links of how to videos?

I have a cheap RSC with crappy digital lock.

I bought a TimeMaster LG200M-57156SC type 2 lock.

How hard is it to change out myself?

Any links of how to videos?