Warning: bypassing or removing required game launchers can violate terms of service and may cause instability, prevent updates, or block online features. The safest options are the official ones below.
If you are moving between a version that uses Uplay and one that does not (such as certain community patches), you may need to manually move your save data: Save Location Documents/Rayman Legends/[Your Username] : Copy your save file to a folder named how to play rayman legends without uplay
Another way to play Rayman Legends without Uplay is to disable the Uplay service while playing the game. This method allows you to play the game without Uplay, but you'll still need to create a Uplay account and install the Uplay client on your computer. Warning: bypassing or removing required game launchers can