Git

The Source Control view in the sidebar saying Git not found, with How to install Git and Check Again
System Command
Windows winget install --id Git.Git -e --source winget
macOS xcode-select --install, or brew install git
Debian, Ubuntu sudo apt install git
Fedora sudo dnf install git
Arch sudo pacman -S git

On Windows, the installer from git-scm.com works too. Then click Check Again.