It seems that you're using an outdated browser. Some things may not work as they should (or don't work at all).
We suggest you upgrade newer and better browser like: Chrome, Firefox, Internet Explorer or Opera

i recently bought witcher 3 on gog on accident and i wanted to know if there is any way that i could have my achievments follow onto my steam account for people to see
This question / problem has been solved by Hickoryimage
No, they are platform exclusive.