Let do it. 5 minutes and you are freelancer. Open http://odesk.com
Select 'I need a job' account
Enter information about yourself (information must be valid and correct, it can be difficult to change it later or even impossible. Also odesk require scan of the your passport to confirm some details).
It is important to specify the correct country - otherwise you can have problems filling out tax forms below.
Then to go to your email and confirm the registration.
Then go to settings.
You will also need to fill in the profile (Complete profile). You will complete your profile depending on your skills
Begin to fill out a tax form ( W8BEN tax form).
If you indicated (during the registration) that you are not a US citizen, so just complete the form W8BEN (see its screenshot below).
Note: If you are offered to download pdf document and fill it, it means that you chose the wrong country at registration and you need to repeat all steps again.
Fill in the form W-8BEN
Then you need to fill in the information about payment methods.
Most people from Russia choose to work with Payoneer, this is especially actual if your country is not in a trusted PayPal list.
Using Payoneer you can easily withdrawal money from any ATM.
Also you can choose PayPal if you would like to get all payments on your PayPal account.