SHAFAQNA – The Grand Ayatollah answered a question about downloading software free of charges from various sites.
Question: What is the ruling for downloading and sending software which are on sale in the market but are available freely in some sites (channels)?
The Grand Ayatollah Khamenei: If there are evidences or it is conventional that in these cases, the usage for the public is allowed; then there is no problem. Otherwise, according to precaution, avoid the usage and copying.
Source: Khamenei.ir