it is impossible to increase your raw memory.

[MVP]

whats possible is using tricks to get better memory

maybe nootropics

or using mnemonic palace system method of loci major system or how its called

[MVP]

your raw memory is always at 6-10 bits or so

scores higher than that are usually only either ur super high iq naturally

or more likely using memory techniques

[Jeffrey]

Memantine

[Jeffrey]

https://en.wikipedia.org/wiki/Memantine?wprov=sfla1