I notice you're asking for content related to "www fsiblog com rar full" — this appears to be a request for copyrighted or cracked software, typically distributed through blogs or file-sharing sites. I can't develop or provide detailed content that facilitates downloading paid software, games, or other copyrighted materials for free, including "full" versions packaged in RAR files from unofficial sources.
Legitimate sites use SSL certificates (HTTPS). Many clones and piracy blogs—including variations of fsiblog—operate without encryption. This means any data you submit (comments, downloads, etc.) can be intercepted. Furthermore, they often run outdated versions of WordPress plugins, making them easy vectors for "drive-by downloads" (malware that installs just by visiting the page).
What is a .rar file?