How to update DCS World?
Windows Start Menu / All Apps / Eagle Dynamics. Locate the Update option for the DCS product (version) you wish to update.
Note that you can do both updates and repairs from this location.
The latest DCS World version number and the latest released DCS_updater.exe can be found on the page: DCS World updates
If you found that your DCS_updater.exe is not new, please download the latest one and replace it in the folder ..\DCS World\Bin\
Cleanup and repair
How to repair DCS World from Start menu:
Windows Start Menu / All Apps / Eagle Dynamics. Locate the Repair option for the DCS product (version) you wish to repair.
If you need to completely clean your DCS game after modifications, please use cleanup.
It is important to Remove all your user mods if you have any, and backup any changes
Go into your \Eagle Dynamics\DCS World [openbeta]\bin folder.
There, hold Left Shift and right click and click "Open Command window here."
(Windows 10 creators update now uses Powershell, type cmd in Powershell, press enter and then continue)
Then, type the following exactly as printed:
this will delete all non official files
then do a DCS repair
You can find the youtube tutorial here:
You can simply use the batch files directly in the root DCS World folder instead of CMD commands
Please download the files DCS_updater_cleanup.bat and DCS_updater_repair.bat
and then use one by one to clean up first, and then repair.