diff --git a/3.Active_Directory/Learn Powershell with Active Directory in Less than 2 hours.md b/3.Active_Directory/Learn Powershell with Active Directory in Less than 2 hours.md
index 792376d..31dfe95 100644
--- a/3.Active_Directory/Learn Powershell with Active Directory in Less than 2 hours.md	
+++ b/3.Active_Directory/Learn Powershell with Active Directory in Less than 2 hours.md	
@@ -102,3 +102,52 @@ Set-ADUser -Identity "jpage" -Email "jimmy.page@mrsh.org" -OfficePhone "800-555-
 
 Set-ADUser -Identity 'jpage' -Enabled:$false
 ```
+
+### Set-ADAccountPassowrd
+
+How to change password of an account
+
+
+```powershell
+Set-ADAccountPassowrd -Identity "jpage" -Reset -NewPassword (ConvertTo-SecureString "NewPassqord1" -AsPlainText -Force)
+#for security the user have to set a new password at logon
+Set-ADUser -Identity "jpage" -ChangePasswordAtLogon $true
+```
+
+### 
+
+### Unlock-ADAccount 
+
+Unlock a Active directory user
+
+```powershell
+Unlock-ADAccount -Identity 'jpage'
+```
+
+## Group
+
+In Active Directory, groups are used to organize users, computers, 
+and other objects so administrators can manage permissions 
+and access more efficiently. 
+By assigning permissions to a group rather than to individual users, 
+changes can be made quickly by adding or removing members from the group. 
+Active Directory supports different group scopes and types, allowing 
+organizations to control access to resources such as files, 
+applications, and network services in a structured and scalable way.
+
+### New-ADGroup
+
+```powershell
+New-ADGroup -Name "Guitar" -Path "OU=Students, OU=Rock, DC=mrsh, DC=org -GroupScope Gloabal"
+```
+### Add-ADGroupMember
+
+```powershell
+Add-ADGroupMember -Identity "Guitar" -Members "jpage"
+```
+
+### Get-ADGroup
+
+```powershell
+$Group = Get-ADGroup -Identity 'Guitar'
+```
diff --git a/README.md b/README.md
index 6421585..840e4a0 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,18 @@
 
 My note from the series of Video by The Powershell Engineer
 
+PowerShell is a powerful task automation and configuration management 
+framework developed by Microsoft, built on the .NET platform. 
+It combines a command-line shell with a scripting language, 
+allowing users to automate administrative tasks, manage system configurations, 
+and control both local and remote machines efficiently. 
+Unlike traditional command-line tools that work mainly with text, 
+PowerShell works with objects, making it easier to filter, manipulate, 
+and pass data between commands. 
+It is widely used by system administrators, IT professionals, and 
+developers to manage Windows systems, cloud services, 
+and cross-platform environments through PowerShell Core.
+
 ## 1. Basic
 
 for the learning the basic of the syntax and multiple commands