Update README.md

README.md

@@ -24,12 +24,11 @@ Enhance your WebGL games with premium quality video/audio publishing as well as
 
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-## [Try FREE DEMO of our Unity WebGL Player SDK Here!](https://github.com/HISPlayer/Unity_Video_Player/releases/tag/v3.4.1)
+## [REQUEST FREE DEMO HERE!](https://hisplayer.com/demo-unity-player-sdk-github/?utm_source=github&utm_medium=referral&utm_campaign=unitygithub&utm_content=20200211--unitydemocontact)
 
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-> [!NOTE]
-> ***If you need advanced features, access to future updates of the product, video caching, ad insertion (SSAI / SGAI, CSAI), or custom development with expedited technical support, please [contact us here](https://hisplayer.com/contact-hisplayer-unity-sdk-premium/) to get the HISPlayer SDK Premium Version.***
+
 
 
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