Why Customize PowerShell Autocomplete?

Out of the box, PowerShell’s command-line experience is functional—but not optimized for speed or flow. Most users rely on basic tab completion or arrow-key suggestions, which can be limiting and inefficient for frequent CLI work.

By tuning PSReadLine, you can transform PowerShell into a modern, highly responsive shell with:

  • Intelligent, ranked suggestions
  • Searchable command history
  • Faster command acceptance (full or partial)
  • Menu-style completions (similar to VS Code or zsh)
  • Persistent, deduplicated history across sessions

Upgrade PowerShell via Winget

What this does: Upgrade PowerShell if managed by winget.

winget upgrade --id Microsoft.PowerShell --source winget

Force reinstall:

winget upgrade --id Microsoft.PowerShell --source winget --force

Check version:

pwsh --version

Fix “No installed package found”

What this does: Handles non-winget installs.

$PSVersionTable

winget install --id Microsoft.PowerShell --source winget

winget list powershell

Accept Suggestions Alternatives

Accept full suggestion:

Tab

Accept next word:

Ctrl + RightArrow

History search:

F8

Menu completion:

Ctrl + Space

Enable Better Predictions

Set-PSReadLineOption -PredictionViewStyle ListView

Set-PSReadLineOption -PredictionSource HistoryAndPlugin

Persistent Keybinding Example

notepad $PROFILE

Add:

Set-PSReadLineKeyHandler -Key Ctrl+f -Function AcceptSuggestion

Reload:

. $PROFILE

Full Profile Snippet

Import-Module PSReadLine

Set-PSReadLineOption -PredictionSource History
Set-PSReadLineOption -PredictionViewStyle ListView

try {
    Set-PSReadLineOption -PredictionSource HistoryAndPlugin
} catch {}

Set-PSReadLineOption -MaximumHistoryCount 10000
Set-PSReadLineOption -HistoryNoDuplicates:$true
Set-PSReadLineOption -HistorySaveStyle SaveIncrementally

Set-PSReadLineKeyHandler -Key Ctrl+f -Function AcceptSuggestion
Set-PSReadLineKeyHandler -Key Ctrl+RightArrow -Function AcceptNextSuggestionWord
Set-PSReadLineKeyHandler -Key UpArrow -Function HistorySearchBackward
Set-PSReadLineKeyHandler -Key DownArrow -Function HistorySearchForward
Set-PSReadLineKeyHandler -Key Ctrl+Spacebar -Function MenuComplete

Set-PSReadLineOption -BellStyle None

Install Prediction Plugin

Install-Module -Name Az.Tools.Predictor -Scope CurrentUser

Final Thoughts

These tweaks significantly improve speed, recall, and usability in PowerShell.