1. Open the Upgrading and Getting Started guide
   and read steps 1-3 in Chapter 1 before continuing
2. Read step 4 once the upgrade process is complete

1. Click on Mamut Business Software.
   In the window File Download choose Run.
   A security warning appears asking whether you want to run this software. Select Run.
   Choose where to unzip the folder. It is recommended that you simply write C:\Temp in the field.
   Click Unzip to extract the files.
   Click OK when you get a message that 103 files are extracted (unzipped).
   Click Close to close WinZip.
2. Start Windows Explorer and browse to the directory C:\Temp.
   Double click on the file setup.exe The installation of Mamut Business Software begins.  
3. Create the company database(s) you need before continuing to the next step.

          Click here to install
          Mamut Business Software 12.5.7900

Note: The Mamut Upgrade Kit is only compatible with Mamut Business Software 12.5.7900 and it is not supported to work on x64bit Windows systems.

1. Install Mamut Upgrade Kit
2. Run the MYOB Upgrade Assistant from your desktop shortcut
   only if you have MYOB version 16 or earlier
3. Run the Upgrade Wizard for Mamut Business Software
   from your desktop shortcut

Check that your computer meets the
minimum system requirements before
you begin the upgrade process.
Minimum and recommended
system requirements

Need help?
0845 130 3975
or e-mail
upgradetomamut@mamut.co.uk