# NDI 6

- [Do I need to upgrade to NDI 6 if I'm not using the new features?](/all/faq/ndi-6/do-i-need-to-upgrade-to-ndi-6-if-im-not-using-the-new-features.md)
- [Is there a fee to upgrade to NDI 6](/all/faq/ndi-6/is-there-a-fee-to-upgrade-to-ndi-6.md)
- [Why doesn't my existing Vendor ID work with NDI 6?](/all/faq/ndi-6/why-doesnt-my-existing-vendor-id-work-with-ndi-6.md)
- [How can I get a previous version of NDI Tools or the SDK?](/all/faq/ndi-6/how-can-i-get-a-previous-version-of-ndi-tools-or-the-sdk.md)