Also you should consider disabling WI-FI. Having less than 2 GHz of CPU, you’re an easy target for these overloads.
I would also follow the instructions here: https://www.steinberg.net/en/support/knowledgebase_new/show_details/kb_show/optimizing-windows-for-daws/kb_back/2025.html?tx_p77sbknowledgebase_pi1[keyword_search]=Optimizing