Tracklist
| How Will I Know (Dance Re-Mix) | 6:35 | |
| How Will I Know (Instrumental Version) | 4:42 | |
| How Will I Know (LP Version) | 4:28 |
Versions
| Title, Format | Label | Cat# | Country | Year | |
|---|---|---|---|---|---|
| How Will I Know (12") | Arista | AD1-9449 | US | 1985 | |
| How Will I Know (LP Version) (Vinyl) | Arista | ADI-9449 | US | 1985 | |
| How Will I Know (12") | Arista | 602 126 | Germany | 1985 | |
| How Will I Know (12") | RCA Limited Australia and New Zealand | TDS 315 | Australia | 1985 | |
| How Will I Know (12") | Arista | 601 783 | Europe | 1985 | |
| How Will I Know (12", Maxi) | Arista | 607 952 | Germany | 1985 | |
| How Will I Know (12", Maxi) | Arista | 608 014 | Germany | 1985 | |
| How Will I Know (12", Maxi) | Arista | 601 979 | Germany | 1985 | |
| How Will I Know (7") | Arista | AS1-9434 | US | 1985 | |
| How Will I Know (7", Single) | Arista | 107 952 | Europe | 1985 | |
| How Will I Know (7", Single) | Arista | 108 014 | Europe | 1985 | |
| How Will I Know (7", Single) | Arista | ARIST 656 | UK | 1985 | |
| How Will I Know (7", Single) | Arista | 107 347 | Europe | 1985 | |
| How Will I Know (12") | Arista, Arista | ARIST 12656, ARIST 12 656 | UK | 1986 | |
| How Will I Know (12") | Arista | 602 126 | Italy | 1986 | |
| How Will I Know (7") | Arista | 107 856 | Italy | 1986 |