To complete the 90 OVR Ibarbo, Doumbia, Gervinho Streets Won’t Forget Evolution in EA FC 25, you will need to complete several objectives for each of these players, unlocking their full potential and FC 25 Coins upgrading them to 90 OVR. Here's the breakdown of how to complete this Evolution:

General Steps for Completion:
Choose Your Player:

You must select either Ibarbo, Doumbia, or Gervinho for the Evolution.
The cost for each Evolution is 150,000 Coins or 500 FC Points.
Complete the Three Evolution Levels: Each Evolution consists of three challenge levels, which involve completing specific objectives in Ultimate Team modes. These objectives typically involve completing a set number of matches and achieving certain in-game milestones.

Timeline:

The Evolution must be started before March 23, 2025, and completed by May 1, 2025.
How to Complete Each Player's Evolution:
Ibarbo Streets Won’t Forget Evo:
Select Ibarbo’s Evolution and pay the required 150,000 Coins or 500 FC Points.
Complete the Objectives:
Play a set number of matches (usually 5 or more).
Win matches in specific modes (Squad Battles, Rivals, or Champions).
Perform specific actions, such as scoring goals or assisting.
After completing the objectives, Ibarbo’s base card will be upgraded to 90 OVR.
Doumbia Streets Won’t Forget Evo:
Choose Doumbia’s Evolution and pay 150,000 Coins or 500 FC Points.
Complete the Objectives:
Similar to Ibarbo, you will need to win a certain number of matches and score or assist.
Some challenges may require you to play with specific squad setups or participate in certain modes.
Once completed, Doumbia’s base card will be upgraded to 90 OVR.
Gervinho Streets Won’t Forget Evo:
Pick Gervinho’s Evolution and spend 150,000 Coins or 500 FC Points.
Complete the Objectives:
Win matches, score goals, or complete other specified in-game actions.
Gervinho may also require you to play in specific game modes like Rivals or Squad Battles.
After completing all objectives, Gervinho’s base card will be upgraded to 90 OVR.
Fastest Way to Complete the Evolution:
The most efficient way to complete these Evolutions is by playing Squad Battles, where you play against AI-controlled teams. This mode allows you to focus on completing objectives without facing high-level human opponents. Each victory in Squad Battles will count toward your progression for the Evolution challenges.

Unlocking PlayStyle+ (Optional):
After completing the Evolution and upgrading to 90 OVR, you can further enhance the player by unlocking the PlayStyle+ upgrade. To unlock this, you must play three matches with the player in your starting squad in any Ultimate Team mode. This upgrade will further boost the player's performance on the pitch.

Conclusion:
To complete the 90 OVR Ibarbo, Doumbia, Gervinho Streets Won’t Forget Evolution:

Choose your player and pay the cost (150,000 Coins or 500 FC Points).
Complete the set of challenges, which involve playing matches, scoring goals, and assisting.
The Squad Battles mode is the most efficient way to complete these objectives.
After completing all challenges, you’ll unlock the 90 OVR upgrade for cheap FC 25 Coins the chosen player and the PlayStyle+ boost.