The best way to find the current (amended) text of English acts/statutes is to go to a subscription database: holders of an Oxford Single Sign On should consult either Westlaw UK or Lexis + UK. These will not just supply the text of the legislation, but supply links to related commentary - a first step on the next stage of research.
The UK government has a freely accessible website for legislation - but it may be slower to incorporate recent developments (eg amendments, repeals of sections). The status of each act is clearly indicated on the site. Legislation.gov.uk is a good source of explanatory notes for recent legislation, and for the text of modern acts as originally promulgated.
Student-friendly, potential time saver is the most recent edition of on at KM500 BLA Although this is usually updated annually, it can nevertheless slip behind the current state of legislation.
The Law Bod has a number of Libguides to foreign jurisdictions each of which will have sections on where to find the nation's legislation.
Note That unless English is one of the country's official languages, an English version will be a translation, and in all probability not considered authoritative.