How to install or run MSI files as admin in Windows 8 and 8.1 [Guide]

When you want to install a package such as .exe , you can right click and choose “Run as Administrator” . However when you right click an MSI package , you’ll find out that “Run as administrator” option is not available . Follow our guide below on how to install an MSI package as administrator .

How to install or run MSI files as Administrator in Windows 8 and 8.1

Step 1 : Right click on start menu and select Run from the pop up menu that appears.

Step 2 : The Run dialog box appears . Type regedit into the box and click Ok . If a User Account Control dialog box appears , click Yes.


Step 3 : The Registry Editor windows opens . Now go to the following directory :


Step 4 : Right click on shell and click New -> Key 


Step 5 : The new key is added under shell . Rename it to runas.

Step 6 : Right click on (Default) in the right pane of runas and select Modify from the menu that appears.


Step 7 : An Edit String dialox box appears . Type Install as &Administrator in the value data box.

Step 8 : Right click on runas you created earlier and select New -> Key and rename it to command.


Step 9 : Click command and from the right pane , right click on default and type in the following into Edit String box :

msiexec /i “%1”

Step 10 : Click Ok and close the Registry Editor windows. You’re done!


MSI packages can’t be installed as administrator by default . However by making changes to the Registry Editor , you will be able to install it as administry . After following the above tutorial , you will be able to install an MSI package as administrator. When you right click on an MSI package , you’ll see an option named “Install as Administrator” .


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  1. Phillip

    Just registered: 2 Comments
    1: How do get to the forums?
    2: How can I make a comment? as follows:
    After reading the review of UNIPDF I downloaded it and tried it out. It converted a simple PDF ok into a Word doc – but this was not editable, nor is text searchable- just a picture. Am I doing something wrong or is that all UNIPDF does?

  2. Lyndon Williams

    For Windows 7 :

    1) Shift + Right Click on the MSI file.
    2) Select : “Copy as Path”
    3) Click start and search for CMD
    4) When CMD shows up in results, right click and “Run as Administrator”
    5) In CMD, right click and select Paste, then hit Enter
    6) Voila & Cheers!!! :)

  3. Sam Gregory

    i have a problem with this, i followed every single step to the letter and i get this pop up…”This file does not have a program associated with it for performing this action. Please install a program or, if one is already installed, create an association in the default programs control panel”. can anyone please help me with this? Thank you