Download the game, extract the rar file. There should be 3 files in the extracted folder, open Frankies FunClub exe. Adjust graphical settings in the options section to best suit your specific hardware configuration, click apply then back. Click new game in the bottom left corner of the screen, you will start out in a small room that is used as a hideout that contains a bed to save the game on the second floor, and computer to buy upgrades, and sell stolen items, hold E to interact with things. Approach the door when ready to enter the funclub and hold E.
Left click button brings up the PDA, which will be used throughout the time you're wandering the club, use the mouse scroll wheel to scroll through different modes to see items that can be picked up, or to see the location of different girls. Explore the funclub and steal as much as possible without getting caught, all items are lost if caught. Be sure to also pay attention to the battery percentage on the PDA, as that will spark trouble if it runs out!
Press F to toggle flashlight on and off, it's pretty dark in here!
Press tab to display your inventory.
You can also use certain items and or get caught by the girls to trigger various scenes with them