Language level test is available at the link.

Register at open.istu.edu and register for the course:

1. Go to the course link.
2. Click the blue button "Continue".
3. Click the grey button "Create account".
4. Fill the fields indicated with "".
5. Click the "Create my new account" button
6. Click the link sent to the e-mail address (provided during registration).
7. Click again the course link.
8. Click on the blue button "Register for the course".

If you are already registered on open.istu.edu, then after step 2, enter your username and password, and go straight to step 8 (skip steps 3-7).