How did St. Catherine become a saint?

Answer 1

only one way by the bible, she took Christ as her saviour, and asked him forforgivenes of her sins She had to cal apone the lord Jesus Christ. The bibles in Romans 10:13 this:
"For whosoever shall call upon the name of the Lord the Lord shall be saved."
If she didnot do this she is in a place called h**l.

Answer 2

she became a saint 1461, by the POPE II, and became a saint for female doctors.