I just can't believe you don't have the snipping tool if your computer was purchased from any store selling computers with Microsoft software.

Try bringing up the program panel by clicking on the Microsoft circle on the left hand side of the task bar. That will bring up a panel on the left side of the screen showing your most used programs. If you don't see the snipping tool there it may be found in the accessories folder on that panel you opened by clicking the MS circle. On that program panel you opened you you may have to scroll that panel down to see the rest of what is in that panel.

Mine doesn't scroll down but at the very bottom of that panel it does have a box titled All Programs, clicking on it, which will open up the rest of the programs and folders available from that program panel. Once the rest of it is displayed you should see the accessories folder to click on which will open up showing the various accessory programs such as calculator, paint, snipping tool and others located in that folder.

Good luck.