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1. Before updating the Axxon PSIM software, it is recommended to create a configuration backup copy and expand it after getting the new version installed, if necessary.

   Tip
   Complete guides Creating the database Create a backup copy of databases Restoring database from backup copy

   
   

2. You can update the Axxon PSIM software on top of the installed version without preliminary removing only in case if the second version number corresponds to both of the installed and new versions (i.e. you can update from 12.10.x to 12.10.y (x<y) or from 12.2.x to 12.2.y (x<y), but you cannot update from 12.1 to 12.2).

   Tip
   Complete guide Updating Axxon PSIM™ software

   
   

3. It is recommended to execute the Axxon PSIM software update with removing the old version in the following order:
4. Execute the Axxon PSIM software removal using any of the ways described in the Removing Axxon PSIM™ software Removal (deinstallation) of Axxon PSIM section.

5. Remove the files left in the Axxon PSIM software installation directory (by default, C:\Program Files (x86)\Axxon PSIM\).

   Note
   title Important!
   To save the license, you need to copy the psim.sec. activation key into the temporary storage before removing the files from this folder.

   
   

6. Run the Axxon PSIM software new version installation.

   Tip
   Complete guide Installing Axxon PSIM™ software