Add punctuation: Recommendation If you are inexperienced with updating AllinOne Printer device drivers manually we highly recommend downloading the AllinOne Printer Driver Utility This tool will download and update the correct AllinOne Printer driver versions automatically protecting you against installing the wrong AllinOne Printer drivers
A: Recommendation: If you are inexperienced with updating All-in-One Printer device drivers manually, we highly recommend downloading the All-in-One Printer Driver Utility. This tool will download and update the correct All-in-One Printer driver versions automatically, protecting you against installing the wrong All-in-One Printer drivers.

Add punctuation: Description Snowdrop rising through the snow
A: Description: Snowdrop rising through the snow

Add punctuation: In the election held December 7 1970 the Awami League won 160 out of the 162 seats allocated to East Pakistan
A:
In the election held December 7, 1970 the Awami League won 160 out of the 162 seats allocated to East Pakistan.