The 21-year-old joins on a permanent basis after impressing in his 17 appearances on loan from Rotherham United last season.
Manager Dean Holdsworth told Premium Shots: "This is fantastic news for the club and it is great news that Troy has signed. I am looking forward to working with him again."
Brown scored two goals during his short stint on loan at the club in January.
Restore Data
| Team | P | W | D | L | F | A | GD | PTS | |
| 1 | Forest Green RoversForest Green | 18 | 12 | 4 | 2 | 35 | 14 | 21 | 40 |
| 2 | York City | 18 | 11 | 5 | 2 | 33 | 14 | 19 | 38 |
| 3 | Barnet | 18 | 12 | 1 | 5 | 38 | 23 | 15 | 37 |
| 4 | Oldham AthleticOldham | 18 | 9 | 7 | 2 | 29 | 17 | 12 | 34 |
| 5 | Gateshead | 18 | 10 | 4 | 4 | 30 | 24 | 6 | 34 |
| 6 | Rochdale | 18 | 9 | 3 | 6 | 27 | 18 | 9 | 30 |
| 7 | Halifax TownHalifax | 18 | 8 | 5 | 5 | 20 | 16 | 4 | 29 |
| 8 | Yeovil TownYeovil | 18 | 8 | 4 | 6 | 21 | 16 | 5 | 28 |
| 9 | Solihull MoorsSolihull | 18 | 8 | 4 | 6 | 32 | 28 | 4 | 28 |
| 10 | AltrinchamAltrincham | 18 | 7 | 6 | 5 | 28 | 23 | 5 | 27 |
| 11 | Sutton UnitedSutton | 18 | 7 | 4 | 7 | 26 | 26 | 0 | 25 |
| 12 | Eastleigh | 18 | 6 | 6 | 6 | 25 | 25 | 0 | 24 |
| 13 | Dagenham & RedbridgeDag & Red | 18 | 5 | 7 | 6 | 30 | 22 | 8 | 22 |
| 14 | Hartlepool UnitedHartlepool | 18 | 5 | 7 | 6 | 18 | 21 | -3 | 22 |
| 15 | Tamworth | 18 | 6 | 4 | 8 | 20 | 32 | -12 | 22 |
| 16 | Southend UnitedSouthend | 18 | 5 | 6 | 7 | 20 | 22 | -2 | 21 |
| 17 | Woking | 18 | 5 | 5 | 8 | 19 | 24 | -5 | 20 |
| 18 | Aldershot TownAldershot | 18 | 4 | 7 | 7 | 23 | 29 | -6 | 19 |
| 19 | Braintree TownBraintree | 18 | 5 | 4 | 9 | 14 | 20 | -6 | 19 |
| 20 | WealdstoneWealdstone | 18 | 4 | 6 | 8 | 18 | 25 | -7 | 18 |
| 21 | Fylde | 18 | 5 | 3 | 10 | 23 | 37 | -14 | 18 |
| 22 | Maidenhead UnitedMaidenhead | 18 | 4 | 4 | 10 | 21 | 31 | -10 | 16 |
| 23 | Boston UnitedBoston | 18 | 2 | 5 | 11 | 16 | 31 | -15 | 11 |
| 24 | Ebbsfleet | 18 | 1 | 5 | 12 | 15 | 43 | -28 | 8 |
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