This is an version of the Pivot Chords plugin by billhails for MuseScore 3.
- Download .zip file.
- Unzip to Plugins folder in the MuseScore3 folder in Documents.
- Launch MuseScore 3.
- Go to Plugins Manager and enable plugin.
Select the initial key and the key that you want to modulate to. Press "Tell". The blank space will have the chords that you can use.
Tested on MuseScore 3.4.2 to 3.6.2.