powershell is Windows’ shell and scripting engine. Persistent config lives in $PROFILE.
Activate Readline Keybindings
Add to $PROFILE (typically \Documents\PowerShell\Microsoft.PowerShell_profile.ps1) to switch PSReadLine to Emacs-style bindings (Ctrl+A/Ctrl+E for line start/end, Ctrl+R for reverse search, etc.) instead of the default Windows -EditMode.
Cheatsheet
Activate Readline Keybindings
Set-PSReadLineOption -EditMode Emacs