highly recommend installing linux on a separate ssd and removing the windows one for installation.
Also your steam library most probably won't like being loaded from the windows drive, because it is formatted to ntfs, which isn't perfectly supported on linux.
Another finn chiming in, linux user for about 1.5 years. Another friend of mine started dual booting recently.
Wouldn't say it's common to use Linux at all.
highly recommend installing linux on a separate ssd and removing the windows one for installation.
Also your steam library most probably won't like being loaded from the windows drive, because it is formatted to ntfs, which isn't perfectly supported on linux.