1- You Should Install The Sider If You Dont Install It..Link : https://sharemods.com/arkzexnhvxgj/sider-7.1.4.zip.html
2- You Should Install Scoreboard Server If You Dont Install It..Link : https://drive.google.com/file/d/1098VNK64u97eQVRjbyNOewrDA58zKoav/view
3- Copy All Files To PES 2021 Folder
4- Open Sider.ini And Put..

lua.module = "Lib\CommonLib.lua"
lua.module = "ScoreboardServer.lua"
lua.module = "SubBoard.lua"
lua.module = "trophy.lua"

5- Open Scoreboard Map Competitions.txt (.\content\scoreboard-server) Then Put..

# UEFA Euros
41, UEFA Euros\beIN Sports 1
41, UEFA Euros\Cuatro HD
41, UEFA Euros\Direc TV Sports
41, UEFA Euros\ESPN 2
41, UEFA Euros\Rai Sport HD
41, UEFA Euros\Sky Sports Main Event
41, UEFA Euros\Sport TV 1
41, UEFA Euros\TF1
41, UEFA Euros\ZDF HD

1065, UEFA Euros\beIN Sports 1
1065, UEFA Euros\Cuatro HD
1065, UEFA Euros\Direc TV Sports
1065, UEFA Euros\ESPN 2
1065, UEFA Euros\Rai Sport HD
1065, UEFA Euros\Sky Sports Main Event
1065, UEFA Euros\Sport TV 1
1065, UEFA Euros\TF1
1065, UEFA Euros\ZDF HD

2089, UEFA Euros\beIN Sports 1
2089, UEFA Euros\Cuatro HD
2089, UEFA Euros\Direc TV Sports
2089, UEFA Euros\ESPN 2
2089, UEFA Euros\Rai Sport HD
2089, UEFA Euros\Sky Sports Main Event
2089, UEFA Euros\Sport TV 1
2089, UEFA Euros\TF1
2089, UEFA Euros\ZDF HD

3113, UEFA Euros\beIN Sports 1
3113, UEFA Euros\Cuatro HD
3113, UEFA Euros\Direc TV Sports
3113, UEFA Euros\ESPN 2
3113, UEFA Euros\Rai Sport HD
3113, UEFA Euros\Sky Sports Main Event
3113, UEFA Euros\Sport TV 1
3113, UEFA Euros\TF1
3113, UEFA Euros\ZDF HD

4137, UEFA Euros\beIN Sports 1
4137, UEFA Euros\Cuatro HD
4137, UEFA Euros\Direc TV Sports
4137, UEFA Euros\ESPN 2
4137, UEFA Euros\Rai Sport HD
4137, UEFA Euros\Sky Sports Main Event
4137, UEFA Euros\Sport TV 1
4137, UEFA Euros\TF1
4137, UEFA Euros\ZDF HD

5161, UEFA Euros\beIN Sports 1
5161, UEFA Euros\Cuatro HD
5161, UEFA Euros\Direc TV Sports
5161, UEFA Euros\ESPN 2
5161, UEFA Euros\Rai Sport HD
5161, UEFA Euros\Sky Sports Main Event
5161, UEFA Euros\Sport TV 1
5161, UEFA Euros\TF1
5161, UEFA Euros\ZDF HD

6185, UEFA Euros\beIN Sports 1
6185, UEFA Euros\Cuatro HD
6185, UEFA Euros\Direc TV Sports
6185, UEFA Euros\ESPN 2
6185, UEFA Euros\Rai Sport HD
6185, UEFA Euros\Sky Sports Main Event
6185, UEFA Euros\Sport TV 1
6185, UEFA Euros\TF1
6185, UEFA Euros\ZDF HD

42, UEFA Euros\beIN Sports 1
42, UEFA Euros\Cuatro HD
42, UEFA Euros\Direc TV Sports
42, UEFA Euros\ESPN 2
42, UEFA Euros\Rai Sport HD
42, UEFA Euros\Sky Sports Main Event
42, UEFA Euros\Sport TV 1
42, UEFA Euros\TF1
42, UEFA Euros\ZDF HD

6- Open Trophy Server Map.txt (.\content\trophy-server) And Put..

#Euro Cup
41,42,"UEFA Euro"
1065,42,"UEFA Euro"
2089,42,"UEFA Euro"
3113,42,"UEFA Euro"
4137,42,"UEFA Euro"
5161,42,"UEFA Euro"
6185,42,"UEFA Euro"
42,42,"UEFA Euro"

7- Open DpfileList Generator Then generate Euro Full Mod.cpk
8- Open The Sider Then Open The Game