Install
winget install --id Microsoft.PowerShell --source winget
Upgrade
# to list upgrades
winget list --id Microsoft.PowerShell --upgrade-available
# to upgrade
winget upgrade --id Microsoft.PowerShellwinget install --id Microsoft.PowerShell --source winget
# to list upgrades
winget list --id Microsoft.PowerShell --upgrade-available
# to upgrade
winget upgrade --id Microsoft.PowerShell