If you see a message when open your Wallet?
Or read a message that a new wallet is available you can follow this guide so safely update.
This step is not mandatory but recommended (for worst case scenario). You can copy your wallet file and move it to a second folder (maybe on a USB Stick or other). Please follow this guide for backup your Wallet using CLI-Wallet or GUI Wallet
Go to qwertycoin.org
Download your new GUI or CLI Wallet
Please follow this guide