Visit 'Today's Racing': https://www.tab.com.au/racing/meetings/today/R
Select a race meeting.
Select a race.
Scroll to the 'Form' button on the right – see example image:

Select the 'Menu' navigation button.
Select 'Racing'.
Select a meeting code: Today's Racing (thoroughbred racing), Today's Greyhounds or Today's Harness.
Select a race meeting and race.
To view form for all runners at once, select 'Show All Form'.
To view form for only one runner, select the drop-down box under the runner number: 

TCDW – Capital letters indicate the runner has won, lower case letters indicate the runner has been placed. T=Won at Track, C=Won at Class, D=Won at Distance, W=Won in Wet, t=Placed at Venue, c=Placed at Class, d=Placed at Distance, w=Placed in Wet. (DFS Form, Newspaper Form, SkyRacing Form).
Jockey – an (a) next to a Jockey's name indicates they are an apprentice Jockey. A figure in brackets (a2.0) indicates the apprentice's allowance in kilograms – the weight the runner carries is reduced by this amount to compensate for the Jockey's relative inexperience. (tab.com.au, DFS Form, SkyRacing Form, Newspaper Form).
Jockey – an * next to a Jockey's name indicates the Jockey did not ride the runner last start but has won on the runner previously. (ABC, DFS Form).
Start Type (harness racing only) – MS = mobile start and SS = standing start (tab.com.au, DFS Form, SkyRacing Form, Newspaper Form).
Handicap – applies to harness and occasionally greyhound racing and refers to the distance in metres from the front row or front boxes. (tab.com.au, DFS Form, SkyRacing Form, Newspaper Form).
Class Eligibility (harness racing only) – the list of classes the runner is eligible to compete in. (DFS Form, SkyRacing Form).
(tab.com.au, DFS Form, SkyRacing Form)
Skyform Rating – Takes into account relative weights, current form and consistency. Previously known as DFS Ratings and provided by third party partner.
Best Form (12 months) – Runners that have produced the best ratings over past 12 months.
Recent Form – Based on runner's last 3 runs. Penalises runners resuming from a spell.
Distance – Rating of last 3 runs over similar distance (+/- 10%) or an estimate of ability if runner hasn't raced over distance.
Class – Rating of past races of similar quality to forthcoming race. Estimate is made for runners with limited history.
Time Rating – Ratings based on times runners have recorded over past 12 months.
Early Speed – Sky Racing early speed rating.
Best Overall – Takes into account all the above ratings.
Sky Predictor – This is a prediction service from Sky Racing's form experts. The form experts make ratings for both wet and dry track conditions. These are based on recent form, class, field strength, time ratings, distance and other factors.