Downloads | AIDA64
https://www.aida64.com/downloads
AIDA64 Extreme comes with a built in 30-day trial period. During the trial period AIDA64 may offer limited functionality, and may not display all data on the information and benchmark result pages.
64-bit computing - Wikipedia
https://en.wikipedia.org/wiki/64-bit_computing
In computer architecture, 64-bit integers, memory addresses, or other data units are those that are 64 bits (8 octets) wide. Also, 64-bit central processing unit (CPU) and arithmetic logic unit (ALU)...
Base64 Decode and Encode - Online
https://www.base64decode.org/
Base64 encoding schemes are commonly used when there is a need to encode binary data, especially when that data needs to be stored and transferred over media that are designed to deal with text.