diff --git a/pwsh/HowToUse.md b/pwsh/HowToUse.md
index 83a2ab3..7f97542 100644
--- a/pwsh/HowToUse.md
+++ b/pwsh/HowToUse.md
@@ -40,6 +40,23 @@ Then,
 Invoke-Expression (& { (zoxide init powershell | Out-String) })
 ```
 
+# Interactive cd using fzf
+```powershell
+function INTERECTIVE_CD {gci -Directory -Recurse | select -expandproperty FullName | fzf}
+Set-Alias cdi INTERECTIVE_CD
+```
+
+# ctrl-t; ctrl-r
+First, install `PSFzf` module
+```powershell
+Install-Module -Name PSFzf
+```
+
+Then, add the following line into `$PROFILE` 
+```powershell
+Set-PsFzfOption -PSReadlineChordProvider 'Ctrl+t' -PSReadlineChordReverseHistory 'Ctrl+r'
+```
+
 # Oh-My-Posh
 Copy *.omp.json to `$env:POSH_THEMES_PATH`
 Edit $PROFILE and add 
@@ -47,3 +64,16 @@ Edit $PROFILE and add
 oh-my-posh init pwsh --config "$env:POSH_THEMES_PATH/powerlevel10k_rainbow_eip.omp.json" | Invoke-Expression
 ```
 at the top.
+
+# `$PROFILE` File All In One
+```powershell
+Invoke-Expression (&starship init powershell)
+Invoke-Expression (& { (zoxide init powershell | Out-String) })
+
+Set-PSReadLineOption -EditMode Emacs
+
+Set-PsFzfOption -PSReadlineChordProvider 'Ctrl+t' -PSReadlineChordReverseHistory 'Ctrl+r'
+
+function INTERACTIVE_CD {gci -Directory -Recurse | select -expandproperty FullName | fzf}
+Set-Alias cdi INTERACTIVE_CD
+```