The only legal way to obtain the full PDF is to purchase it from the ISO Store or your national standards body (e.g., ANSI, BSI, SA). Suske En Wiske Parodie Het Helpende Handje Free
Therefore, distributing a "full PDF" of the standard for free is illegal. You cannot legally download the full text of ISO 45001:2018 or the 2021 amendments for free from unofficial sources. Indian Uncut Web Series Free Hot File
Before providing a guide, it is important to clarify a critical point regarding copyright: