Please watch the language. This is a family friendly forum.
That said, yes you can swap or move your system into another case. Should be very possible.
To do so, you must first have a good understanding of the specifications involved. Mainly motherboard and case.
However, if you have multiple drives, cards, DVD/CD players, etc. then the case must be roomy enough for all that.
And you must maintain the necessary airflows and cooling requirements.
Other parts might include longer power and data cables, extra bays, brackets.
Start by searching for cases based on your motherboard. Then start checking case measurements depending on the present case and what you require with respect to the new case.
Google the following:
"how to...