Bloatware is any software that you do not want to be pre-installed on your computer or device. It takes up storage space, eats up RAM, reduces battery life, and slows down your device. For example, Weather apps, finance apps, game centers, music and video players, etc. These programs are often useless and in some cases even harmful to your device if you do not need them. Bloatware is often found on many devices, not just laptops, cheap phones from Xiaomi, Samsung often have default apps as Bloatware.