Pre-requisites 
-         
Ensure backup is already done to farm and
databases.
        Note: when you download the AUG-CU,there is a CAB file also downloads with this,Both should be in Same location to do AUG CU install.
 
             Step
1: Stop World Wide Web Publishing Service in all SharePoint Servers 
                        
  Perform CU installation in
the following orders:
                           Central Admin server
                            Application Servers
                            Web Front End Servers
Installation
Steps:
             Ã˜  Step 2 : Double click on the “ubersrv2010-kb2825949-fullfile-x64-glb” to start the installation.
     Ã˜  Step 3
: Check the “Click here to accept the Microsoft Software License Terms” and hit
“Continue”
                        
      Ø  Step 4
: A window will
prompt and wait
                                               
                                          Extracting in progress, This take some time
                                 Determine the list to be updated:
                                  
                   Step 5 : please wait while
the update is installed.
                               Please Click on Yes to reboot the server
                                                        
                              Click OK to complete the installation.
     Ã˜  Step 6: 
NOTE: you may check in CA >system settings->
Manage Servers in this farm. You will see the status is now under  “Upgrade Block”
                          
Installation Required
: The server still not yet install with the same CU that already installed in
other servers.
Upgrade Blocked :
The server is blocked from upgrade. Server is install with latest CU and it
will remained blocked until all the SP servers in the farm are installed with
the same version.
   Ã˜  Step 7 :  Repeat Step 1 to Step 6 in other SP Servers. (App servers then follow by WFE servers)
                     NOTE: After CU is installed to all servers and
rebooted. The status would change to “Upgrade Available”
  Ø  Step 8 : Run the SharePoint 2010 Products Configuration Wizard in CA server.
            Step 9 : Click “Next” to the SharePoint Products Configuration Wizard window.
   Click “Yes” to continue  
   Click “Next to Continue   
   Configuration in progress
                        Upgrade completed, click “Finish” to end.
          Step 10 : Repeat Step 8 to Step 9 other SP Servers. (App servers then
follow by WFE servers)
           Step 11: Verify on
the installation.
    a.       Check
SP version in central admin:
                                                              
i.     
CA > Under “System Settings” > Select
“Manage Servers in this Farms” > Ensure the version has change to “14.0.7106.5002”
     b.      Check
SP servers control panel:
                                                              
i.     
Control Panel > Programs and features > at
left pane, click on “ View installed Updates” > Ensure “KB2825949” is in the list.
  c.       Check
in SP power shell:
                                                              
i.     
Open the SharePoint 2010 power shell
                                                         
                                                
                                                            
ii.     
Type the following:
1.       (get-spfarm).buildversion
2.       Ensure
it shows something like 14 0 7106 5002
After Upgradation Completed,Check the Central Admin page and websites.                                    
Note:I prepared the steps for FARM,if its a Standalone,Some of the steps can SKIP.