From The App Store or Google Play Store, for free. Or add the desktop browser extention on Google Chrome by going to metamask.io. Follow their easy steps from their guide to set up a wallet.
Send MATIC to MetaMask
You can buy MATIC directly through Metamask or you can transfer some from another wallet or crypto exchange. You can follow tutorials on Youtube if you get stuck on this step.
Visit Quickswap
Polygon Chain Go to https://quickswap.exchange via a desktop browser or inside your Metamask wallet tap three blue lines at the top left of your screen to reveal your browser.
Swap MATIC for SHIBPLUS
Click the gear button and set the amount of “slip” to 8-10%. Add the amount of MATIC you want to exchange or add the amount of SHIBPLUS you want to purchase. If satisfied, click the “Exchange” button to complete the transaction CHECK SHIBPLUS.