1. .NET Framework error? Download .NET Framework 4.6.1 and install it.
2. Missing MSVCP140.dll? Microsoft Visual C++ 2015 Redistributable Update 3 RC (x86) (https://www.microsoft.com/en-us/download/details.aspx?id=52685) and install it.
3. Install Mastercores OTBot using the installer provided in this page.
4. Login using your forum account and password.