What you'll need!
~ The latest version of Cemu SMMDB
1. Extract the 2.1.0 zip to the same location as the zip.
2. Open the .exe file.
3. When it says to look for "cemu smm folder", look at (cemu directory)/mlc01/emulatorSave/(title id of SMM)/
4. click "load (cemu version)"
If you don't know your title ID, try every folder in that directory.