I would like to install Origin on my laptop and wanted to ask whether Linux can be used and if so, what should I consider.
Yes, but you need Wine first, it simulates a win environment
Origin is not available for Linux because EA does not support this operating system. Even if you can install Origin via Wine, that doesn't mean that you can also install and play the games. What titles do you want to play on Origin?
The best way to get Windows games to run outside of Steam (e.g. With Origin) under Linux is to use the Lutris Gamelauncher. Further information is available here:
https://lutris.net/
Some of your Windows games could also run under Linux, albeit without any guarantee or official support from EA.
I would play Fifa21 with a friend and Origin gives me access to my acc
No information is currently available on the Lutris website for this game. I did a search for you on the Proton DB website. Proton is the Wine-based compatibility tool integrated in Steam.
https://www.protondb.com/app/1313860
It looks like FIFA21 doesn't currently work with Wine.
