To remove everything that can be removed from all users

Get-AppxPackage -AllUsers | Remove-AppxPackage

vim - copy to clipboard

1) check if vim supports clipboard
vim --version

+/- clipboard

2) if vim has been compiled with clipboard support

press "v" for visual selection
select the text
press "esc"
press yy to copy

List all installed packages with packman

pacman -Qe >name_of_the_file.txt

search new line and replace with whitespace

vim

:%s/\n/