The web version: just open the link on your browser (tested on chrome) and start playing.
Android & PC: first Extract the "Save Me1" zip file.
The Android version (APK):
Copy the Apk file (Save ME 1.4.apk) on your Android phone then install the game, Then open the "Save Me!" game from your Apps list and start playing.
The PC version (EXE)
Open (PC 3) folder then open (SAVE ME!) EXE file and start playing.