Step 1: Right click in your window and choose New> WinRAR Zip archive or Compressed zip archive.
Step 2: Now make your .IPS patch and drag and drop it into your archive.
Step 3: Make a readme if it is a demo telling:
Next Release (estimate)
Assistance (If was a team hack/demo)
Step 4: Make a snapshot
Go to where you want your screenshot(s)(Recommended: Title Screen, and a level.) and press F1>Save Snapshot
Snes9X: Same as above but go to File>Save Other>Save Snapshot and it will be placed in where Snes9X is in the Screenshots folder.
Step 5: Upload them to SMWCentral
okay you just attempted to get another post in, even though he already go two replies saying exactly how to make a zip file. A zip file is easy, so trying ti get that level up > is so obvious on what ur doing