How to Recover from Reduced Functionality Mode (RFM) in Vista
Microsoft allows you to install and use Windows Vista for evaluation without license or product key for up to 30 days. Within these 30 days, you must activate the Vista system with a valid product key. Else, if you forget to activate your computer, or you’re using illegal and pirated product key, Windows Vista will go into Reduced Functionality Mode (RFM), where you basically can no longer use the system for productivity works until you successfully activate Vista with a licensed product key.

Windows Activation
Activate Windows Now
Your activation period has expired and Windows is no longer working.
To use Windows you must activate this copy of Windows.
If you’re still not yet ready to activate your copy of Vista and want to further extend the activation period another 30 days, and also want to exit or recover from Reduced Functionality Mode so that you can continue using Vista without reinstalling, here’s a simple hack to crack the RFM. The trick is made possible by Microsoft which still allow users to use Internet Explorer in RFM (probably do so so that you will can buy a license online), which can be used to break out of Reduced Functionality mode by running an explorer interface to open an administrative level command prompt and run the commands required to reset your activation period and recover use of your computer and desktop.
This crack RFM trick is simplified from previous recover from RFM guide to make it easier to understand.
- On the Windows Activation – Activate Windows Now screen shown above, click on Access your computer with reduced functionality option.
- Once the Internet Explorer loads, click on File on menu bar and then select Open on the pull-down menu.
- On the Open dialog window, type in C:\Windows\Explorer.exe and then click OK.

- Click OK button on “IE needs to open a new window to open this webpage” confirmation prompt.

- Click Run button on “File Download – Security Warning” dialog prompt.

- Click on Run button on “File Download – Security Warning” warning dialog related to unknown and not verified publisher.

- User shell will load, and the desktop, taskbar, start menu and etc will be restored.
- The computer has recovered from Reduced Functionality for this session. To permanently stop RFM to happen again, Vista has to be rearmed.
- Click on the Start button.
- Type Cmd in Start Search box.
- A program shortcut will show up in the Start panel search results. Right click on the shortcut and select Run as Administrator.
- In the Command Prompt window, type in the following command and then hit Enter:
slmgr.vbs -rearm
- Restart computer.
Related Articles
- Exit, Recover or Restore Access to Desktop from Windows Vista Reduced Functionality Mode (RFM)
- Reduced Functionality Mode (RFM) in Windows Vista
- Bypass and Log Onto Desktop of Windows 7 Beta M1 Reduced Functionality Mode Hack (RFM When Not Backdate Time to Dec 2007)
- Temporarily Disable IE7 Protected Mode in Vista on Ad-hoc Basis
- Remove and Erase Desktop “Evaluation Copy”, “Test Mode” or “Safe Mode” Watermark in 64-bit (x64) Vista
- Restore and Recover Window Switcher (Flip3D or Flip) Shortcut or Icon in Vista
- How to Recover from Frankenbuild Vista System
- Recover Lost or Missing System or Boot Drive Icon in Vista
- Stop 0×0000007B Inaccessable_Boot_Device Error After Enable AHCI Mode on SATA Drive in Vista
- What is Hybrid Sleep and Differences with Basic Sleep Mode in Vista










































August 13th, 2009 09:31
I find how to do it in chrome, in the bookmarks manager, try ti import some bookmarks, it will open a explorer.exe window =)
June 16th, 2009 17:07
This doesn’t work in Google Chrome. Even Oliver’s advise won’t work. Anybody here how to do this one in Google Chrome?!
Thanks in advance!
May 30th, 2009 20:52
Good news !!!
solution for google chrome :
Open the downloads tab.
try to open a picture or a pdf from the previous downloads.
from there you can open in windows picture viewer the explorer.exe…
have fun.
March 27th, 2009 05:59
I am in the boat with Mielu – Google chrome is my default browser and for some reason it won’t even navigate to any website under reduced functionality mode
March 21st, 2009 20:58
Genius Post.Love it.Worked for me.You are just simply genius.
February 6th, 2009 06:23
[...] for your help. I figured itout after a bit of searching, I came up with this. How to Recover from Reduced Functionality Mode (RFM) in Vista My Digital Life Free Vista w00t. **Disclaimer, I’m not a cheapass. It’s my wife’s Cousin’s computer, I do not [...]
January 4th, 2009 19:16
i can’t do it under google chrome. explorer wouldn’t start ? any recommendations ?
August 14th, 2008 21:58
Thanks buddy!
Works in firefox 2 as well!
August 4th, 2008 21:37
so the desktop and icons and toolbar are all restored, but the start button won’t open up. what do i do?
thanks in advance.
June 16th, 2007 01:54
it didnt work 4 me. It said cannot rearm after I used the cmd. What should I do?
June 7th, 2007 15:01
or just navigate to CMD in system32 run as adimistrator and use the normal command.
June 7th, 2007 12:59
I have vista but it is in chinese, how do change this if possible
June 7th, 2007 02:45
[...] and updated tutorial on how to recover from RFM. Get help or contribute tips or tricks at My Digital Life [...]