Flash drive encryption

I'm looking for some advice. I want to encrypt files on pendrive and have possibility to use them ( some portable apps among them) without admin privileges on any computer (Windows/Linux). VeraCrypt is almost perfect (I could encrypt whole drive or selected partition and use Traveler Mode), but needs to be installed before on a computer to easily access encrypted data. Cryptomator would be also almost perfect if it hadn't been slow&unreliable while running apps from the encrypted vault. I'm …

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