Yes, Tally.ERP 9 would resolve the out of memory issues.
Today, out of memory issues in Tally.ERP 9 arises of multiple reasons:
● Due to volume of data (masters etc.)
● Volume of entries (large number of Ledger entries/bills etc. in a single Voucher being edited etc.)
● Non-Optimized code (Default / STAT or customized TDLs)