A new management software is installed in the office that allows access to more structured information, without having to go around to the right and left to verify the data of a case. It's a big step forward! It is a pity that it was developed again outside the company network and that it needs credentials different from those of the PC to use it. You have to set the new password to use it, how do you proceed?
When the new software asks you to create the password for your user, put the usual password you use for the PC, for gmail and for other services you use often, at least you are sure not to forget it!
When creating the new password, open your complex password management software, create a new one, and enter it being careful that it matches the one provided by the software ... you won't remember it by heart, but it will be there when you need it!
Another password? uhm ... you will use your secret technique that allows you to create long, complicated passwords, but that only you can understand / remember. Your coding is infallible, so far.
The password "unitedgo" will be great, and since it's the fourth time you've changed it, add a nice 4!
Check if your IT support manager has any recommendations on how to proceed, waiting for the application to be integrated with your local PC user, eliminating the need for another password!