Download the wallet from https://github.com/straks/straks/releases
Extract into directory of your choosing
Open a command prompt and navigate to the directory where you extracted the files
straksd.exe - Leave running
Open a new command prompt and navigate to the directory where you extracted the files
straks-cli.exe getinfo and you will get something similar to the below. This verifies the daemon is connected to the network and synced.
straks-cli.exe getnewaddress to generate a new wallet address.
Create a new batch file in your directory with the following contents;
for /l %%a in () do ( straks-cli.exe generatetoaddress 1 <generated_address_from_earlier> )
Run batch file to begin mining. The output with be
[ ] if no block was found, otherwise a block hash will be provided.
 indicates that no block was found during that mining period. A successful block will produce a hash string.
The batch file will run one mining instance. If you have multiple cores you can run multiple batch files. Just spawn them in a new window by double clicking the batch file.