It seems like you might be asking for help on how to use MuseScore, but please use the forum for that (eg, Help / Ask for Help, from within MuseScore). The issue tracker is for reporting confirmed bugs.
When you ask for help, please attach the score you are having problems with, and be as specific as possible about what you are trying to do, what steps you took, what you expected to happen, and what happened instead.
Comments
It seems like you might be asking for help on how to use MuseScore, but please use the forum for that (eg, Help / Ask for Help, from within MuseScore). The issue tracker is for reporting confirmed bugs.
When you ask for help, please attach the score you are having problems with, and be as specific as possible about what you are trying to do, what steps you took, what you expected to happen, and what happened instead.