Adding HTML page in the right of the forum

[PET]

Hello,

I need to add a html page on the right of the forum Any sugestions how to do that?

Thanks

[nexialys]

<a href="https://vborg.vbsupport.ru/showthread.php?t=141870" target="_blank">https://vborg.vbsupport.ru/showthread.php?t=141870</a>