update license and requirements content

Author: DMGithubPublisher

LICENSE.md

@@ -2,4 +2,4 @@ License Notice
 
 This folder contains code samples ("Sample Code") for use with Dynamsoft Barcode Reader, a commercial software development kit licensed by Dynamsoft. The Sample Code may be modified and included in your end user software under the terms of the Dynamsoft Software License Agreement   https://www.dynamsoft.com/barcode-reader/license-agreement/ (“Commercial License”). Except as expressly stated in the Commercial License, no other rights are granted in the Sample Code. This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
 
-Copyright © 2003–2021 Dynamsoft. All rights reserved. 
+Copyright © 2003–2022 Dynamsoft. All rights reserved. 

README.md

@@ -4,9 +4,10 @@ This repository contains multiple samples that demonstrates how to use the [Dyna
 
 ## Requirements
 - Operating systems:
-  - Windows 7, 8, 10
-  - Windows Server 2003, 2008, 2008 R2, 2012
+  - Windows 7, 8, 10, 11
+  - Windows Server 2003, 2008, 2008 R2, 2012, 2016, 2019, 2022
   - Linux x64 (Ubuntu 14.04.4+ LTS, Debian 8+, etc.)
+  - Linux arm 64bit
   - macOS x64 10.12+
 - JDK 1.7 and above
 - Environment: Eclipse 3.7 and above
@@ -24,8 +25,11 @@ This repository contains multiple samples that demonstrates how to use the [Dyna
 
 ## License
 
-- If you want to use an offline license, please contact [Dynamsoft Support](https://www.dynamsoft.com/company/contact/)
-- You can also request a 30-day trial license in the [customer portal](https://www.dynamsoft.com/customer/license/trialLicense?product=dbr&utm_source=samples&package=java)
+The library requires a license to work, you use the API InitLicense to initialize license key and activate the SDK.
+
+These samples use a <a href="https://www.dynamsoft.com/license-server/docs/about/terms.html?ver=latest&product=dbr&utm_source=samples&package=java#public-trial-license" target="_blank">free public trial license</a>. Note that network connection is required for this license to work.
+
+You can also request a 30-day trial license from <a href="https://www.dynamsoft.com/customer/license/trialLicense?product=dbr&utm_source=samples&package=java" target="_blank">Customer Portal</a>
 
 ## Contact Us