This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to redeem skype credit from a voucher
Sign in to your skype personal account.
You must log in to your skype account to access to the " skype voucher " page.
Go to skype's login page at www.skype.com/go/myaccount.

OPTIONS:
1). You'll need to sign in now. Tap the " account " button at the top right corner of the skype voucher page.;
2). Tap your username (or skype name) on the page. Select " account, " then select " credit.;
3). You should see the " sign in " box on the left side. Enter your skype user id and password in the provided fields and click on " sign me in " below to access to your skype account.;
4). Click the link for " get skype credit now " to search through all of your available programs. Click the link for the pdf file that contains the voucher you wish to redeem.;
The answer is:
3).