Would you like a walkthrough for a specific DLL type or a particular tool?
dnSpy — supports breakpoints, variable renaming, and exporting to VS project. For Native C/C++ DLLs | Tool | Output quality | |------|----------------| | Ghidra (NSA) | Best free — recovers functions, structures | | IDA Pro (commercial) | Industry standard, expensive | | Binary Ninja | Mid-range, good UI | | x64dbg + Snowman | Lightweight debugger + decompiler | how to decompile dll file