User blog comment:Dragonjet/KC3改/@comment-29382046-20170809164244/@comment-28112544-20170810082601

Dig through your %appdata% till you find your browser folder.

Then look for IndexedDB\chrome-extension_hkgmldnainaglpjngpajnnjfhpdjkohh_0.indexeddb.leveldb

Play a game on the new pc so that it generates some generic folder/files first. Then replace the folder content of the said folder with data from old hdd.

You can sync the said folder to Dropbox etc too :)