If you have created an account in older versions, you have to follow these instructions in order to continue, but if your new to this game, you just need to download the game and thats all!
Anyway here are the instructions:
1.-Click Green Button "Code"
2.-Then click "Download Zip"
3.-Unzip the file, and move the Batch File to the folder of Older version. (In this case, its Folder where Gem Miner v1.0/v1.1 is located)
4.-Run the newest update Batch File, it will automatically detect update, and will delete the old Batch File that is no longer needed.
5.-Enjoy playing new update!
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Important New Feature:
Now you are able to save data locally to C: Drive by going to game settings and selecting 8 :)
You can use that in future updates really efficiently! How? Well as you may know, until now you allways needed to download source code and move it to the previous version folder. Well from 1.3 you wont need to anymore, you will just need to enable local saving before updating, and then just download the new update and run it! Thats It!