How to Install OneDbg:

1. Copy OneDbg.exe to a Debugging Tools for Windows folder. For example: C:\Program Files (x86)\Windows Kits\10\Debuggers\x64
2. Set up _NT_SYMBOL_PATH environment variable. For example: C:\Symbols;srv*C:\Symbols*https://msdl.microsoft.com/download/symbols
3. Add extension dlls in the "Options->Configure Extensions" menu.