Very important! VPN is not need. I open the link on my computer. My IP address is Belarusian (if you are in Russia, you will have Russian).

I open the link in Google Chromehttps://playerok.com/profile/Qwertnik/products (I buy from the seller Qwertnik).

или другой продавец

I open the link in Google Chromehttps://playerok.com/profile/MirrorSeller/products (I buy from the seller MirrorSeller).

I didn't buy it from others.

Click on Купить

 
I pay on the phone:
I open the Insync program (Alpha Bank Belarus)
Payments
ERIP services
I click on the scan icon:

 
On the computer, I opened the site.
I wait a couple of minutes and the promo code was sent:

Click Confirm receipt:

On a computer without VPN, I open the site https://www.roblox.com and buy coins

 
Write the purchased code:

 
I open the main page of the site https://roblox.com/home and see at the top there are coins 500