运行keygen.exe，生成msimg32.dll，放到安装目录中去，然后按照试用的步骤填写姓名邮件等，自动会生成si4.lic文件(不需要断网)。
si4.lic文件（不在安装目录，在C盘自动生成的）
<!--
Source Insight 4.x License File
DO NOT EDIT THIS FILE. Doing so will render it unusable.
This license was created for:
hesy
HNU
heys@126.com
-->
<SourceInsightLicense>
<LicenseProperties
ActId="L555142299784"
Serial="S4TR-2105-4229-9784"
LicensedUser="hesy"
Organization="HNU"
Email="[email protected]"
Type="Trial"
Version="4"
MinorVersion="0"
Date="2021-05-10"
Expiration="2021-06-09"
/>
<Signature
Value="x5zUhP6FQaNU2Zmy+itxMWYazGAnfqeHARTd/+8Swj8PEeqgQHxvSc+KqN9f+A6wHE3e7tF3zuZFWxcCIq225DpVidrjOa5E7c0uI5CeN1abHlPbkl0hTiCUT71pZDbBpVJQyrUsKbEf1RP0QjWsnRXxwJX8926iS3s+r3lKk/k="
/>
</SourceInsightLicense>