The platform features several highly-regarded practice test series, often shared by popular groups like "CPE CAE FCE | Advanced English". Successful FCE - 10 Practice Tests
Access to premium-grade practice materials without a financial investment.
Searching for "FCE practice tests VK" typically leads to several high-traffic communities and posts on the VK (Vkontakte)
Step-by-step guidance and 7 tests updated for the 2015 spec. FCE Practice Tests Extra
Happy practicing, and good luck with your B2 First journey!