Here is an sx os buying guide with paypal and instant delivery, just check the tutorial here. The SX OS license is offered by TX reseller Mod3dscard.com.
1. Find out Mod3dscard Discord Server.
2. Join their Discord.
3. Go to Selly link Channel.
4. Pickup one Selly link to pay(must have stock).
5. Pay with Paypal.
6. Wait for your SX OS license code from Selly email
