download a font you like from GitHub. I use FiraCode.
unzip the files
select all ttf-files, right-click and choose 'Install' or 'Install for all users'
then you can select the font in Windows Terminal in the appearance-settings

You can also take a look at the official installation guide.

Oh My Posh

Changes the path display to the following

There are several themes you can select from GitHub. I use M365Princess. You can find them after installation in %USERPROFILE%\AppData\Local\Programs\oh-my-posh\themes.

For installation run

winget install JanDeDobbeleer.OhMyPosh -s winget

You can also take a look at the official installation guide.

PSReadLine

Shows you suggestions and/or your history if you wish

For installation run as administrator

Install-Module PSReadLine -Force

For this representation you need Set-PSReadLineOption -PredictionSource History and Set-PSReadLineOption -PredictionViewStyle ListView.

Tip

If you want to use Set-PSReadLineOption -PredictionSource HistoryAndPlugin you need at least PowerShell version 7.1.999.

You can also take a look at the official installation guide.

Terminal Profile

To open the profile configuration

open Windows Terminal
select your profile in the dropdown
type code $profile and press Enter

My personal profile.

A comprehensive sample for PSReadLine you can find on GitHub.