How do I reinstall Ubuntu Software in Ubuntu 20.04 LTS version?

To install Ubuntu software, run in the terminal:

sudo apt install ubuntu-software

To reinstall Ubuntu software, run in the terminal:

sudo apt install --reinstall ubuntu-software

To purge Ubuntu software package and all its configuration and revert to vanilla package settings, run in the terminal:

sudo apt remove --purge ubuntu-software

Then run:

sudo apt install ubuntu-software

To remove Snap store package that might be already installed ( although I recommend you leave it ), run in the terminal:

sudo snap remove snap-store

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