- 8GB of RAM (16GB recommended)
- Additional disk space for disk cache (10GB recommended)
Check this Link for more details
Freezing and Slowing down depends on How heavy the Project you are working on,
you may Purge memory : Edit -> Purge-> All memory and Disk cash
and reset Preferences as well:
To restore the default preference settings, press and hold the following keys while the application is starting.
Command+Option+Shift (Mac OS)
After effects runs slow and sometimes freezes my computer, and I"m not sure what to do.
Neither are we. Just saying that it is slow is not useful when we don't know what exactly you are doing or what your settings are. Yes, your computer is not the most powerful on the planet, but that in itself is not reason enough why it should seize up.
Are you still facing this problem? If not, let us know how you solved it. If so, please let us know so we can assist you further.