update documentation for 3.12.1 version

doc/installing/development-windows.md

@@ -8,7 +8,7 @@
 
 ## Extract the content of the downloaded zip
 
-Unzip the downloaded zip file, which has a name like `OpenQuake_Engine_3.12.0_2003311327.zip` to any location in your filesystem; at this step the extracted folder can be also moved to a different location or renamed after the extraction.
+Unzip the downloaded zip file, which has a name like `OpenQuake_Engine_3.10.1_2003311327.zip` to any location in your filesystem; at this step the extracted folder can be also moved to a different location or renamed after the extraction.
 
 **PLEASE NOTE: The following commands must be executed from the `oq-console.bat` console available into the root folder.**
 

doc/installing/windows.md

@@ -20,7 +20,7 @@ Requirements are:
 
 ## Install or upgrade packages from the OpenQuake website
 
-Download the LTS version installer from https://downloads.openquake.org/pkgs/windows/oq-engine/OpenQuake_Engine_3.11.3-1.exe using any browser and run the installer, then follow the wizard on screen.
+Download the LTS version installer from https://downloads.openquake.org/pkgs/windows/oq-engine/OpenQuake_Engine_3.11.4-1.exe using any browser and run the installer, then follow the wizard on screen.
 
 ![installer-screenshot-1](../img/win-installer-1.png)
 ![installer-screenshot-2](../img/win-installer-2.png)