A: No, and doing so violates your school’s IT policies. Instead, use Office Online with your student credentials, or install Office on up to 5 personal devices legally.
: You can access web-based versions of Word, Excel, and PowerPoint for free through any web browser. This requires no installation and is the most truly "portable" official option.
: These "highly compressed" versions are notorious for containing malware, such as ransomware, keyloggers that steal passwords, and trojans. Because they do not receive official security patches, your system remains permanently vulnerable.