To make a purchase, simply enter your in-game username into the box on the right hand side. Next select the items you wish to buy and then checkout.
Once your payment is successful you can use the ::claimdonation command or talk to the Store manager in Edgeville bank to claim your items. If you're an Ironman you will be given points instead which can be spent by trading the store manager at home, every $1 spent is 10 points.
You can view the full range of Donator ranks and benefits here.
There is currently 15% off all items on the store! Simply apply the coupon code 'REBIRTH15'.