Try to avoid it unless you know what you're doing.

F7 shifts the BPM down while F8 shifts it up.

Left and Right arrow keys scroll through the Arrow Timings (such as 4th or Quarter Notes, 8th or Half Notes, 12th Notes, 16th, 24th, 32nd, 48th, and 64th Notes).

1, 2, 3, and 4 make the Left arrow, Down arrow, Up arrow, and Right arrow.

closer to the top of chart, closer to the beginning of the song farther from the top, farther from the beginning of the song.

Up and Down arrow keys take you up and down on the Step Chart.

Comes in handy.) and to the right is the information on the stepfile. To the left of the Step Chart is the Help section (F1 shows a list of keyboard shortcuts. All the arrows, BPM changes, all the action a simfile has is right here.

The grid in the center is the layout of the simfile, called a Step Chart.'Create with Blank' - Gives you a nice blank slate to create a stepfile off of.Somebody else needs to edit this and put in a little description and stuff. 'Create from Source by Autogen' - I'm not sure what this does.For example, if a simfile has steps on Light difficulty on dance-singles but you want to create steps for Heavy on dance-singles, using this option will copy all the steps from Light on dance-singles and put them in your Heavy edit and you can step from there. 'Create from Source by Copy' - It'll copy the steps from the Source Difficulty + Source Stepstype combination and place them in your edit.If there are pre-existing steps on a simfile on one of the difficulties but you want to create steps on a different difficulty or a different Stepstype altogether and there is no existing stepfile information for this difficulty + Stepstype combination, some more options are left for you.Highlight 'Edit Existing' and press Enter.Since you have Stepmania downloaded and you're trying to either create your own stepfile or edit a pre-existing one, I'm sure you know the summaries and differences between each difficulty and shouldn't need an explanation of what each of them would normally contain.

You can choose Beginner, Easy (aka 'Light' or 'Basic'), Medium (aka 'Standard' or 'Trick'), Hard (aka 'Heavy' or 'Maniac'), Challenge (aka 'Oni'), or Edit.

Now, select the difficulty that you want to edit.

If you don't know what any of those are, just keep it on dance-single and go down one.

Select which Type of steps you want to edit, such as Singles, Doubles, or Solo.

Once you found the song you want to edit, keep it highlighted and go down one.

Scroll through the songs in the pack you have chosen.

Once you found that pack, keep it highlighted and go down one.

First, you have to select the folder or 'pack' that the song you want to edit is in.

At the main menu, select the option (according to the Stepmania 3.9 default theme) 'Edit/Sync Songs.'.

There is no rule or guide line on how to step a song (AKA make the steps of a song).

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