Sider 7.1.4 for PES 2021 by Juce (v1.07.00 & Datapack 7.0). Sider is a companion program for PES 2021 . It allows for small tweaks – such as “free side-select” (which is where sider gets its name from), and time expander for the demo version. It also facilitates game mods, created by the modding community. The two main features are LiveCPK and the scripting engine, where you can write your own mods in Lua programming language.