1. Unplug the thing.
2. Take the cover off the side or back where the compressor is located. Look at the compressor, and locate where the wires are connected, you don't car about any of the copper tube connections.
3. Typically, the overload/relay is connected directly to the compressor terminals, so you'll see a small gizmo with wires attached.
4. Usually, the wires are connected to the O/R with push-on spade terminals.
5. On some models, there may be a spring steel strap, about 3/8" wide, that holds the O/R in place, and the strap will un-clip on each side of the compressor terminal housing to release.
6. IF you feel confident, and buy a new O/R, you will simply have to pull the wires off the old relay, marking them as you go (usually marked C, R and S), remove the old relay, put on the new relay, and reconnect the wires. After connecting, double check that you connected C to C, R to R, and S to S, then plug thre freezer back in.
Given that it's cheaper to buy a new one than to get it repaired by a pro, you've got nothing to lose!

