If you want to try Linux and learn how to use it but don't want to replace the OS of your system now no worries, you can try it online using your browsers.
Yes try Linux online as if you installed it.
Now you can try Linux online in your browser. No need to install in your pc.
All you need to do is
1. Open browser and go to url https://www.onworks.net.
2. Select the version of Linux. ( I suggest try Ubuntu)
All the best