Asking for Instructions

How do you (do this)?

How do I . . . ?

What is the best way to . . . ?

How do I go about it?

What do you suggest?

How do you suggest I proceed?

What is the first step?

Giving Instructions
Sequencing

First, (you) . . .

Then, (you) . . .

Next, (you) . . .

Lastly, (you) . . .

Starting out

Before you begin, (you should . . .)

The first thing you do is . . . .

I would start by . . .

The best place to begin is . . .

To begin with,

Continuing

After that,

The next step is to . . .
The next thing you do is . . .

Once you've done that, then . . .

When you finish that, then . . .

Finishing

The last step is . . .

The last thing you do is . . .

In the end,

When you've finished,

When you've completed all the steps,