登录setup.office.com微软官网，如果没有帐户，则需要创建一个帐户来登录。
登录成功后点击“下一页”
输入产品密匙“ DNFFH-9973Q-H4QWK-TF22F-8B7RK ”（这个是专业版，失效的话或者其他版本，自己百度）
选择国家，语言
点击下一页
下载安装就行了（下载有点慢）
打开之后会提示没有激活。随便在哪新建一个txt文本，内容如下：
@echo off
title Activate Microsoft Visio 2019&cls&echo ============================================================================&echo #Visio: Activating Microsoft software products for FREE without software&echo ============================================================================&echo.&echo #Supported products:&echo - Microsoft Visio Standard 2019&echo - Microsoft Visio Professional Plus 2019&echo.&echo.&(if exist "%ProgramFiles%\Microsoft Office\Office16\ospp.vbs" cd /d "%ProgramFiles%\Microsoft Office\Office16")&(if exist "%ProgramFiles(x86)%\Microsoft Office\Office16\ospp.vbs" cd /d "%ProgramFiles(x86)%\Microsoft Office\Office16")&cscript //nologo ospp.vbs /inslic:"..\root\Licenses16\pkeyconfig-office.xrm-ms" >nul&(for /f %%x in ('dir /b ..\root\Licenses16\client-issuance*.xrm-ms') do cscript ospp.vbs /inslic:"..\root\Licenses16\%%x" >nul)&(for /f %%x in ('dir /b ..\root\Licenses16\visioprovl_kms*.xrm-ms') do cscript ospp.vbs /inslic:"..\root\Licenses16\%%x" >nul)&(for /f %%x in ('dir /b ..\root\Licenses16\visiopro2019vl_kms*.xrm-ms') do cscript ospp.vbs /inslic:"..\root\Licenses16\%%x" >nul)&echo.&echo ============================================================================&echo 正在尝试激活...&cscript //nologo ospp.vbs /unpkey:7VCBB >nul&cscript //nologo ospp.vbs /inpkey:9BGNQ-K37YR-RQHF2-38RQ3-7VCBB >nul&set i=1
:server
if %i%==1 set KMS_Sev=kms8.MSGuides.com
if %i%==2 set KMS_Sev=kms9.MSGuides.com
if %i%==3 set KMS_Sev=kms7.MSGuides.com
if %i%==4 goto notsupported
cscript //nologo ospp.vbs /sethst:%KMS_Sev% >nul&echo ============================================================================&echo.&echo.
cscript //nologo ospp.vbs /act | find /i "successful" && (echo 已完成，按任意键退出) || (echo 连接KMS服务器失败! 试图连接到另一个… & echo 请等待... & echo. & echo. & set /a i+=1 & goto server)
pause >nul
exit保存后修改后缀名为bat
右键以管理员模式运行，等待半分钟左右，会自动退出；再打开visio显示以激活
