Locate and double click the .msi file you just downloaded
You might get a Windows protected your PC window
Click More info and then click the Run anyway button
The Battlegrounds Mod Launcher Setup will start. Click Next
Read and accept the End-User License Agreement. Click Next
Select a location where you want to install the launcher. Click Next
Click Install
Your installation is complete
Don't install the launcher to your Steam Company of Heroes 2 folder!
We also recommend not installing the launcher on your system drive C:/. If possible install the launcher on your secondary drive like D:/ or E:/.
If you only have one drive C:/ install it on it. There might be issues when you try to launch the launcher. If you encounter any problems contact us on our Discord.