In the Syncing window, enter your login and password on Yandex.
Note. If you haven't registered on Yandex yet, click the link Create account in the same window, and follow the instructions.
Click the Enable syncing button.
Click the link Change settings and indicate which settings should be synced.
Note. In the same window, the browser will offer to install an app for using Yandex.Disk — a service that stores your files on Yandex servers free of charge. If you have already installed this app, the browser suggests turning it on, so you will be able to store browser files on Yandex.Disk.