gmprime is a GUI front end for prime95 which can be downloaded at www.mersenne.org. gmprime is not associated with the Great Internet Mersenne Prime Search or with mersenne.org.
Once prime95 software is downloaded, follow the setups provided with the software to set it up including giving your user name and telling it which type of work you would like to use your processing power for.
Next open gmprime.py and edit the following variables:
MPRIME_PATH = "/path/to/your/mprime/directory/" #this is the path to your mprime directory followed by a /
MPRIME_PATH_BIN = "mprime" #this is the name of your mprime binary
MAX_TXT_ROWS = 0 #this is the number of rows of the stdout that you want to see in gmprime, 0 means infinite
If you have any questions please post them here: https://sourceforge.net/projects/gmprime/