Carpalx's fully optimized QGMLWY keyboard layout (with fixed ZXCV), addapted for the ISO 105 Latin American layout.
More about the Carpalx model and the QGMLWY layout can be found at http://mkweb.bcgsc.ca/carpalx/?full_optimization
The ISO 105 Latin American Spanish Keyboard Layout adapted using the QGMLWY from Carpalx as follows.
The QGMLWY from Carpalx is based on the ISO 105 English Keyboard Layout.
On Windows 10
1. Download the latest version zip file.
2. Unzip and run thesetup executable from the qgmlwy directory (qgmlwy/setup.exe).
Open the qgmlwy.klc file using the Microsoft's Keyboard Layout Creator to view/edit/adapt the layout. The tool can be downloaded from Microsoft directly (https://www.microsoft.com/en-us/download/details.aspx?id=102134)
After intalling you need to enable the option to switch between keyboad layouts.
On Windows 10
1. Going to Windows Settings (Control Panel) > Time & Language.
2. On the left hand panel select Language.
3. Select Spanish (Latin America) from the Preferred Languages list
4. Click on Options > Add a Keyboard > select Latin America (QGMLWY).
4. Restart or logout and log back in.
5. From now on, you should be able to switch between keyboards by pressing ⊞ + Spacebar (Windows logo key + Spacebar).