Step 1: Download and extra Bminer 12.2.0 to a file.
Step 2: Edit the mine-grin.bat file.
Step 3: Please fill your email address, such as firstname.lastname@example.org.
Step 3: Please fill your rigname, such as rig_123.
bminer -uri cuckaroo29://Bminer%%40gmail%%2Ecom%%2Frig_123@grin.sparkpool.com:6666
Step 5: Save the file and run it.
Step 6: you can find your hashrate by your email on sparkpool.
Note: It may takes 5 minutes to see the hashrate on the poolside.