If you see a website offering a direct .zip file for "SAS 9.4 Full Crack" ranked #1 on Google:
After downloading and installing via the official method, open SAS 9.4 and run this code to confirm your license:
proc setinit;
run;
You should see an expiration date (for trials) or "PERPETUAL" (for paid licenses).
Assuming you have a valid license, here is the top method for a successful download and install: