The 5.01 update focused on refining the significant leaps made in version 5.0, particularly in security and speed.
: It upgraded the encryption standard to AES-256 bit , significantly enhancing the security of password-protected archives compared to the previous 128-bit standard. WinRAR 5.01 -32bit - 64bit -full version
: The 64-bit version can utilize compression dictionaries of up to 1 GB , allowing for much tighter compression on large, similar files. WinRAR 5.01 -32bit - 64bit -full version