Paint Tool Sai 2 License Certificate (Ad-Free)

For preventing casual sharing, yes — it’s more secure for the developer. For user convenience, it’s much worse. Many artists find it frustrating, especially if they upgrade or repair their computer often.

There’s no “deactivate license” button. To move SAI 2 to a new computer, you generally need to contact SYSTEMAX support (often via the same proxy you bought from) and request a new certificate. Some users have been able to do this by explaining the hardware change. paint tool sai 2 license certificate

You’ll likely need to prove your purchase (receipt, order number, email) to SYSTEMAX or your reseller to get a new one. This can take days or weeks. For preventing casual sharing, yes — it’s more

You can’t run the same certificate on multiple machines at once. If you want SAI 2 on a desktop and laptop, you need two licenses. Common questions Q: Can I back up the certificate file? Yes — keep a copy on a USB drive or cloud storage. But remember, it will only work on the exact same PC with unchanged hardware. There’s no “deactivate license” button

Major hardware changes (motherboard, CPU, sometimes even a different network card or Windows reinstallation) will change your System ID. The certificate will then fail — SAI 2 will ask for a license again.