Wilcom e4.2 and newer are natively designed for 64-bit systems, offering faster rendering.
Wilcom does not officially release a portable version. Any "portable" Wilcom you find online is a repackaged, cracked version of EmbroideryStudio. These are typically based on older builds (e4.2 or e4.5) modified to run without a HASP key. wilcom portable para windows 10 64 bits